Chris L. Hallemeier, M.D.

  1. Radiation Oncologist
  1. Ma J, Dragojevic S, Remmes NB, Mendelson NL, Kloeber JA, Ebner DK, Wu Z, Gunn H, Merrell K, Hallemeier CL, Haddock MG, Jethwa K, Lou Z, Mutter RW, Callaghan C. Linear Energy Transfer Optimized Proton Therapy for Rectal Cancer International Journal of Radiation Oncology, Biology, Physics. 2025.
  2. Kumar R, Hallemeier CL, Chang DT, Lu SE, Hathout L, Hristidis VC, Jethwa KR, Baclay JRM, Manne V, Chakrani Z, Haddock MG, Toesca DAS, Pollom EL, Wu AJ, Sandhyavenu H, Romesser PB, Jabbour SK. Increased Occurrence of Malignancy Before and after Chemoradiation for Anal Squamous Cell Carcinoma: A Multi-Institutional Analysis. J Natl Cancer Inst. 2024 Nov 29 [Epub ahead of print]
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  3. Yang H, Wang F, Hallemeier CL, Lerut T, Fu J. Oesophageal cancer. Lancet. 2024 Nov 16; 404 (10466):1991-2005
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  4. Anker CJ, Tchelebi LT, Selfridge JE, Jabbour SK, Akselrod D, Cataldo P, Abood G, Berlin J, Hallemeier CL, Jethwa KR, Kim E, Kennedy T, Lee P, Sharma N, Small W Jr, Williams VM, Russo S. Executive Summary of the American Radium Society on Appropriate Use Criteria for Nonoperative Management of Rectal Adenocarcinoma: Systematic Review and Guidelines. Int J Radiat Oncol Biol Phys. 2024 Nov 15; 120 (4):946-977 Epub 2024 May 25
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  5. Hallemeier CL, Merrell KW, Neben-Wittich MA, Jethwa KR, Yoon HH, Pitot HC, Blackmon S, Shen KR, Tryggestad EJ, Giffey B, Kazemba BD, Viehman JK, Harmsen WS, Haddock MG. A Prospective Pilot Study of Pencil Beam Scanning Proton Radiation Therapy as a Component of Trimodality Therapy for Esophageal Cancer. Adv Radiat Oncol. 2024 Aug; 9 (8):101547 Epub 2024 June 06
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  6. O'Donnell CDJ, Naleid N, Siripoon T, Zablonski KG, Storandt MH, Selfridge JE, Hallemeier CL, Conces ML, Jethwa KR, Bajor DL, Thiels CA, Warner SG, Starlinger PP, Atwell TD, Mitchell JL, Mahipal A, Jin Z. Circulating Tumor DNA Predicts Early Recurrence Following Locoregional Therapy for Oligometastatic Colorectal Cancer. Cancers (Basel). 2024 Jun 29; 16 (13) Epub 2024 June 29
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  7. Gits HC, Khosravi Flanigan MA, Kapplinger JD, Reisenauer JS, Eiken PW, Breen WG, Vu LH, Welch BT, Harmsen WS, Day CN, Olivier KR, Park SS, Garces YI, Hallemeier CL, Merrell KW, Ashman JB, Schild SE, Grams MP, Lucido JJ, Shen KR, Cassivi SD, Wigle D, Nichols FC, Blackmon S, Tapias LF, Callstrom MR, Owen D. Sublobar Resection, Stereotactic Body Radiation Therapy, and Percutaneous Ablation Provide Comparable Outcomes for Lung Metastasis-Directed Therapy. Chest. 2024 May; 165 (5):1247-1259 Epub 2023 Dec 14
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  8. Sharifzadeh Y, Breen WG, Harmsen WS, Amundson AC, Garda AE, Routman DM, Waddle MR, Merrell KW, Hallemeier CL, Laack NN, Kollengode A, Corbin KS. Integration of Telemedicine Consultation Into a Tertiary Radiation Oncology Department: Predictors of Use, Treatment Yield, and Effects on Patient Population. JCO Clin Cancer Inform. 2024 Apr; 8:e2300239
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  9. Jethwa KR, Kim E, Berlin J, Anker CJ, Tchelebi L, Abood G, Hallemeier CL, Jabbour S, Kennedy T, Kumar R, Lee P, Sharma N, Small W Jr, Williams V, Russo S. Executive Summary of the American Radium Society Appropriate Use Criteria for Neoadjuvant Therapy for Nonmetastatic Pancreatic Adenocarcinoma: Systematic Review and Guidelines. Am J Clin Oncol. 2024 Apr 1; 47 (4):185-199 Epub 2023 Dec 22
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  10. Yanagihara TK, Tepper JE, Moon AM, Barry A, Molla M, Seong J, Torres F, Apisarnthanarax S, Buckstein M, Cardenes H, Chang DT, Feng M, Guha C, Hallemeier CL, Hawkins MA, Hoyer M, Iwata H, Jabbour SK, Kachnic L, Kharofa J, Kim TH, Kirichenko A, Koay EJ, Makishima H, Mases J, Meyer JJ, Munoz-Schuffenegger P, Owen D, Park HC, Saez J, Sanford NN, Scorsetti M, Smith GL, Wo JY, Yoon SM, Lawrence TS, Reig M, Dawson LA. Defining Minimum Treatment Parameters of Ablative Radiation Therapy in Patients With Hepatocellular Carcinoma: An Expert Consensus. Pract Radiat Oncol. 2024 Mar-Apr; 14 (2):134-145 Epub 2024 Jan 19
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  11. Zaniletti I, Gunn HJ, Hallemeier CL, Laughlin BS, Leavitt TR, Haddock MG, Merrell KW, Leenstra JL, May BC, Ashman JB, DeWees TA. Determining the Minimal Clinically Important Difference of the Functional Assessment of Cancer Therapy Hepatobiliary Questionnaire to Evaluate the Change in the Quality of Life of Patients With Pancreatic Cancer During Radiation Therapy. Int J Radiat Oncol Biol Phys. 2024 Jan 1; 118 (1):137-141 Epub 2023 Aug 14
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  12. Zaniletti I, Gunn HJ, Hallemeier CL, Laughlin BS, Leavitt TR, Haddock MG, Merrell KW, Leenstra JL, May BC, Ashman JB, DeWees TA. Determining the minimal clinically important difference of the functional assessment of cancer therapy hepatobiliary questionnaire to evaluate the change in the quality of life of patients with pancreatic cancer during radiation therapy. International Journal of Radiation Oncology Biology Physics. 2024 Jan; 118 (1):137-41
  13. Abou Chaar MK, Godin A, Harmsen WS, Wzientek C, Saddoughi SA, Hallemeier CL, Cassivi SD, Nichols FC, Reisenauer JS, Shen KR, Tapias LF, Wigle DA, Blackmon SH. Determinants of Long-term Survival Decades After Esophagectomy for Esophageal Cancer. Ann Thorac Surg. 2023 Nov; 116(5):1036-1044. Epub 2023 Jun 22.
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  14. Herndon J, Hallemeier C, Jethwa K, Shariff A, Bancos I. Radiation of bilateral adrenal metastases is associated with a high risk of primary adrenal insufficiency. Clin Endocrinol (Oxf). 2023 Jul; 99 (1):35-42 Epub 2023 Mar 16
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  15. Jeans EB, Ebner DK, Takiyama H, Qualls K, Cunningham DA, Waddle MR, Jethwa KR, Harmsen WS, Hubbard JM, Dozois EJ, Mathis KL, Tsuji H, Merrell KW, Hallemeier CL, Mahajan A, Yamada S, Foote RL, Haddock MG. Comparing Oncologic Outcomes and Toxicity for Combined Modality Therapy vs. Carbon-Ion Radiotherapy for Previously Irradiated Locally Recurrent Rectal Cancer. Cancers (Basel). 2023 Jun 5; 15 (11) Epub 2023 June 05
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  16. Keltner SJ, Hallemeier C, Wang K, Tao R, Shah S, Heimbach J, Kharofa JR. Neoadjuvant Therapy Regimens for Hilar Cholangiocarcinoma Before Liver Transplant. Am J Clin Oncol. 2023 Jun 01; 46(6):276-278. Epub 2023 Apr 10.
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  17. Hallemeier CL, Moughan J, Haddock MG, Herskovic AM, Minsky BD, Suntharalingam M, Zeitzer KL, Garg MK, Greenwald BD, Komaki RU, Puckett LL, Kim H, Lloyd S, Bush DA, Kim HE, Lad TE, Meyer JE, Okawara GS, Raben A, Schefter TE, Barker JL Jr, Falkson CI, Videtic GMM, Jacob R, Winter KA, Crane CH. Association of Radiotherapy Duration With Clinical Outcomes in Patients With Esophageal Cancer Treated in NRG Oncology Trials: A Secondary Analysis of NRG Oncology Randomized Clinical Trials. JAMA Netw Open. 2023 Apr 3; 6 (4):e238504 Epub 2023 Apr 03
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  18. Tchelebi LT, Jethwa KR, Levy AT, Anker CJ, Kennedy T, Grodstein E, Hallemeier CL, Jabbour SK, Kim E, Kumar R, Lee P, Small W Jr, Williams VM, Sharma N, Russo S. American Radium Society (ARS) Appropriate Use Criteria (AUC) for Extrahepatic Cholangiocarcinoma. Am J Clin Oncol. 2023 Feb 1; 46 (2):73-84 Epub 2022 Dec 19
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  19. Kowalchuk RO, Spears GM, Morris LK, Owen D, Yoon HH, Jethwa K, Chuong MD, Ferris MJ, Haddock MG, Hallemeier CL, Wigle D, Lin SH, Merrell KW. Risk stratification of postoperative cardiopulmonary toxicity after trimodality therapy for esophageal cancer. Front Oncol. 2023; 13:1081024 Epub 2023 Feb 09
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  20. Jethwa KR, Jin Z, Hallemeier CL. A Critical Review of the Role of Local Therapy for Oligometastatic Gastrointestinal Cancer. Int J Radiat Oncol Biol Phys. 2022 Nov 15; 114 (4):780-791 Epub 2022 July 04
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  21. Jethwa KR, Neibart SS, Truty MJ, Jabbour SK, Hallemeier CL. Patterns of Recurrence After Primary Local Therapy for Pancreatic Ductal Adenocarcinoma - A Critical Review of Rationale and Target Delineation for (Neo)Adjuvant Radiation Therapy. Pract Radiat Oncol. 2022 Nov-Dec; 12 (6):e463-e473 Epub 2022 June 17
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  22. Navin PJ, Olson MC, Mendiratta-Lala M, Hallemeier CL, Torbenson MS, Venkatesh SK. Imaging Features in the Liver after Stereotactic Body Radiation Therapy. Radiographics. 2022 Nov-Dec; 42 (7):2131-2148 Epub 2022 Oct 14
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  23. Mokhtech M, Miccio JA, Johung K, Cecchini M, Stein S, Narang AK, Herman JM, Kunstman J, Haddock MG, Anker CJ, Jabbour S, Hallemeier CL, Jethwa KR. Multiagent Chemotherapy Followed by Stereotactic Body Radiotherapy Versus Conventional Radiotherapy for Resected Pancreas Cancer. Am J Clin Oncol. 2022 Nov 1; 45 (11):450-457 Epub 2022 Oct 21
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  24. Tran NH, Munoz S, Thompson S, Hallemeier CL, Bruix J. Hepatocellular carcinoma downstaging for liver transplantation in the era of systemic combined therapy with anti-VEGF/TKI and immunotherapy. Hepatology. 2022 Oct; 76 (4):1203-1218 Epub 2022 July 30
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  25. Ansell J, Perry , William R G, Mathis KL, Grass F, Yonkus JA, Hallemeier CL, Haddock MG, Graham RP, Merchea A, Colibaseanu DT, Mishra N, Kelley SR, Larson DW, Dozois EJ. Re-resection of Microscopically Positive Margins Found on Intraoperative Frozen Section Analysis Does Not Result in a Survival Benefit in Patients Undergoing Surgery and Intraoperative Radiation Therapy for Locally Recurrent Rectal Cancer. Dis Colon Rectum. 2022 Sep 1; 65 (9):1094-1102 Epub 2021 Dec 27
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  26. Abdelrahman AM, Goenka AH, Alva-Ruiz R, Yonkus JA, Leiting JL, Graham RP, Merrell KW, Thiels CA, Hallemeier CL, Warner SG, Haddock MG, Grotz TE, Tran NH, Smoot RL, Ma WW, Cleary SP, McWilliams RR, Nagorney DM, Halfdanarson TR, Kendrick ML, Truty MJ. FDG-PET Predicts Neoadjuvant Therapy Response and Survival in Borderline Resectable/Locally Advanced Pancreatic Adenocarcinoma. J Natl Compr Canc Netw. 2022 Sep; 20 (9):1023-1032.e3
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  27. Zhu M, Chen C, Foster NR, Hartley C, Mounajjed T, Salomao MA, Fruth BF, Beamer SE, Kim Y, Harrington SM, Pitot HC, Sanhueza CT, Feng Y, Herrmann J, McWilliams RR, Lucien F, Huang BQ, Ma WW, Bekaii-Saab TS, Dong H, Wigle D, Ahn DH, Hallemeier CL, Blackmon S, Yoon HH. Pembrolizumab in Combination with Neoadjuvant Chemoradiotherapy for Patients with Resectable Adenocarcinoma of the Gastroesophageal Junction. Clin Cancer Res. 2022 Jul 15; 28 (14):3021-3031
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  28. Lester SC, McGrath LA, Guenzel RM, Quinn JC, Schultz CJ, Bradley TB, Kazemba BD, Ito S, Hallemeier CL. Vaginal Sparing Radiotherapy Using IMPT and Daily Dilator Placement for Women with Anal Cancer. Int J Part Ther. 2022 Summer; 9 (1):83-89 Epub 2022 Apr 26
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  29. Abd El Aziz MA, McKenna NP, Jakub JW, Hallemeier CL, Kelley SR, Jin Z, Mathis KL. Rectal cancer with synchronous inguinal lymph node metastasis without distant metastasis. A call for further oncological evaluation. Eur J Surg Oncol. 2022 May; 48 (5):1100-1103 Epub 2021 Dec 20
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  30. Alva-Ruiz R, Yohanathan L, Yonkus JA, Abdelrahman AM, Gregory LA, Halfdanarson TR, Mahipal A, McWilliams RR, Ma WW, Hallemeier CL, Graham RP, Grotz TE, Smoot RL, Cleary SP, Nagorney DM, Kendrick ML, Truty MJ. Neoadjuvant Chemotherapy Switch in Borderline Resectable/Locally Advanced Pancreatic Cancer. Ann Surg Oncol. 2022 Mar; 29 (3):1579-1591 Epub 2021 Nov 01
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  31. Apisarnthanarax S, Barry A, Cao M, Czito B, DeMatteo R, Drinane M, Hallemeier CL, Koay EJ, Lasley F, Meyer J, Pursley J, Schaub SK, Smith G, Venepalli NK, Zibari G, Cardenes H. External Beam Radiation Therapy for Primary Liver Cancers: An ASTRO Clinical Practice Guideline. Pract Radiat Oncol. 2022 Jan-Feb; 12 (1):28-51 Epub 2021 Oct 21
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  32. Mullikin TC, Pepin KM, Evans JE, Venkatesh SK, Ehman RL, Merrell KW, Haddock MG, Harmsen WS, Herman MG, Hallemeier CL. Evaluation of Pretreatment Magnetic Resonance Elastography for the Prediction of Radiation-Induced Liver Disease. Adv Radiat Oncol. 2021 Nov-Dec; 6 (6):100793 Epub 2021 Sept 09
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  33. Gits HC, Tang AH, Harmsen WS, Bamlet WR, Graham RP, Petersen GM, Smyrk TC, Mahipal A, Kowalchuk RO, Ashman JB, Rule WG, Owen D, Neben Wittich MA, McWilliams RR, Halfdanarson T, Ma WW, Sio TT, Cleary SP, Truty MJ, Haddock MG, Hallemeier CL, Merrell KW. Intact SMAD-4 is a predictor of increased locoregional recurrence in upfront resected pancreas cancer receiving adjuvant therapy. J Gastrointest Oncol. 2021 Oct; 12 (5):2275-2286
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  34. Mohiuddin JJ, Jethwa KR, Grandhi N, Breen WG, Wang X, Anvari A, Lin H, Sandhyavenu H, Doucette A, Plastaras JP, Rule WG, Metz JM, Merrell KW, Sio TT, Ashman JB, Haddock MG, Ben-Josef E, Hallemeier CL, Wojcieszynski AP. Multi-institutional Comparison of Intensity Modulated Photon Versus Proton Radiation Therapy in the Management of Squamous Cell Carcinoma of the Anus. Adv Radiat Oncol. 2021 Sep-Oct; 6 (5):100744 Epub 2021 June 24
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  35. Bhangoo RS, Mullikin TC, Ashman JB, Cheng TW, Golafshar MA, DeWees TA, Johnson JE, Shiraishi S, Liu W, Hu Y, Merrell KW, Haddock MG, Krishnan S, Rule WG, Sio TT, Hallemeier CL. Intensity Modulated Proton Therapy for Hepatocellular Carcinoma: Initial Clinical Experience. Adv Radiat Oncol. 2021 Jul-Aug; 6 (4):100675 Epub 2021 Mar 02
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  36. Garant A, Spears G, Routman D, Whitaker T, Liao Z, Harmsen W, Liu A, Haddock M, Hallemeier C, Lin S, Merrell K. A Multi-Institutional Analysis of Radiation Dosimetric Predictors of Toxicity After Trimodality Therapy for Esophageal Cancer. Pract Radiat Oncol. 2021 Jul-Aug; 11 (4):e415-e425 Epub 2021 Jan 21
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  37. Jani KS, Lu SE, Murphy JD, Romesser PB, Jethwa KR, Li D, Chundury A, Wu AJ, Hathout L, Hallemeier CL, Jabbour SK. Malignancies diagnosed before and after anal squamous cell carcinomas: A SEER registry analysis. Cancer Med. 2021 Jun; 10 (11):3575-3583 Epub 2021 May 07
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  38. Waddle MR, Ma DJ, Visscher SL, Borah BJ, May JM, Price KA, Moore EJ, Patel SH, Hinni ML, Chintakuntlawar AV, Garcia JJ, Graner DE, Neben-Wittich MA, Garces YI, Hallemeier CL, Price DL, Kasperbauer JL, Janus JR, Foote RL, Miller RC. Costs of Definitive Chemoradiation, Surgery, and Adjuvant Radiation Versus De-Escalated Adjuvant Radiation per MC1273 in HPV+ Cancer of the Oropharynx. Int J Radiat Oncol Biol Phys. 2021 Jun 1; 110 (2):396-402 Epub 2020 Dec 23
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  39. Lee G, Kim DW, Oladeru OT, Niemierko A, Gergelis KR, Haddock MG, Toesca DAS, Koong AJ, Owen D, Weekes C, Hong TS, Chang DT, Hallemeier CL, Wo JY. Liver Metastasis-Directed Ablative Radiotherapy in Pancreatic Cancer Offers Prolonged Time Off Systemic Therapy in Selected Patients: Data From a Multi-institutional Retrospective Study. Pancreas. 2021 May-Jun 01; 50(5):736-743.
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  40. Jethwa KR, Day CN, Sandhyavenu H, Gonuguntla K, Harmsen WS, Breen WG, Routman DM, Garda AE, Hubbard JM, Halfdanarson TR, Neben-Wittich MA, Merrell KW, Hallemeier CL, Haddock MG. Intensity modulated radiotherapy for anal canal squamous cell carcinoma: A 16-year single institution experience. Clin Transl Radiat Oncol. 2021 May; 28:17-23 Epub 2021 Feb 23
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  41. Miccio JA, Talcott WJ, Patel T, Park HS, Cecchini M, Salem RR, Khan SA, Stein S, Kortmansky JS, Lacy J, Narang A, Herman J, Jabbour SK, Hallemeier CL, Johung K, Jethwa KR. Margin negative resection and pathologic downstaging with multiagent chemotherapy with or without radiotherapy in patients with localized pancreas cancer: A national cancer database analysis. Clin Transl Radiat Oncol. 2021 Mar; 27:15-23 Epub 2020 Dec 16
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  42. Truty MJ, Kendrick ML, Nagorney DM, Smoot RL, Cleary SP, Graham RP, Goenka AH, Hallemeier CL, Haddock MG, Harmsen WS, Mahipal A, McWilliams RR, Halfdanarson TR, Grothey AF. Factors Predicting Response, Perioperative Outcomes, and Survival Following Total Neoadjuvant Therapy for Borderline/Locally Advanced Pancreatic Cancer. Ann Surg. 2021 Feb 1; 273 (2):341-349
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  43. Hallemeier CL, Huguet F, Tait D, Buckstein MH, Anker CJ, Kharofa J, Olsen JR, Jabbour SK. Randomized Trials for Esophageal, Liver, Pancreas, and Rectal Cancers. Int J Radiat Oncol Biol Phys 2021 Feb 1; 109 (2):305-311
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  44. Chin JY, Martin JA, Hallemeier CL, Haddock MG, Abu Dayyeh BK, Storm AC, Topazian M, Levy MJ, Petersen BT, Chandrasekhara V. Endoscopic techniques and common pitfalls for nasobiliary catheter placement to facilitate delivery of high-dose intraductal brachytherapy in cholangiocarcinoma. VideoGIE. 2021 Feb; 6 (2):62-66 Epub 2020 Dec 13
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  45. Abousaida B, Seneviratne D, Hoppe BS, Ko SJ, Asaithamby A, Cucinotta FA, Kirwan JM, Mody K, Toskich B, Ashman JB, Hallemeier CL, Krishnan S. Carbon Ion Radiotherapy in the Management of Hepatocellular Carcinoma. J Hepatocell Carcinoma. 2021; 8:1169-1179 Epub 2021 Sept 24
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  46. Chuong MD, Hallemeier CL, Li H, Zhu XR, Zhang X, Tryggestad EJ, Yu J, Yang M, Choi JI, Kang M, Liu W, Knopf A, Meijers A, Molitoris JK, Apisarnthanarax S, Giap H, Hoppe BS, Lee P, Chang JY, Simone CB 2nd, Lin SH. Executive Summary of Clinical and Technical Guidelines for Esophageal Cancer Proton Beam Therapy From the Particle Therapy Co-Operative Group Thoracic and Gastrointestinal Subcommittees. Front Oncol. 2021; 11:748331 Epub 2021 Oct 19
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  47. Kowalchuk RO, Lester SC, Graham RP, Harmsen WS, Zhang L, Halfdanarson TR, Smoot RL, Gits HC, Ma WW, Owen D, Mahipal A, Miller RC, Wittich MAN, Cleary SP, McWilliams RR, Haddock MG, Hallemeier CL, Truty MJ, Merrell KW. Predicting Adverse Pathologic Features and Clinical Outcomes of Resectable Pancreas Cancer With Preoperative CA 19-9. Front Oncol. 2021; 11:651119 Epub 2021 May 11
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  48. Bornschlegl S, Gustafson MP, Delivanis DA, Ryder M, Liu MC, Vasmatzis G, Hallemeier CL, Park SS, Roberts LR, Parney IF, Jelinek DF, Dietz AB. Categorisation of patients based on immune profiles: a new approach to identifying candidates for response to checkpoint inhibitors. Clin Transl Immunology. 2021; 10(4):e1267. Epub 2021 Apr 29.
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  49. Breen WG, Jethwa KR, Yu NY, Spears GM, Harmsen WS, Miller RC, Ashman JB, Rule WG, Sio TT, Neben-Wittich MA, Haddock MG, Mahipal A, Truty MJ, Hallemeier CL, Merrell KW. Patient-Reported Quality of Life Before and After Chemoradiation for Intact Pancreas Cancer: A Prospective Registry Study. Pract Radiat Oncol. 2021 Jan-Feb; 11 (1):e63-e69 Epub 2020 July 23
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  50. Viscariello N, Evans S, Parker S, Schofield D, Miller B, Gardner S, Fong de Los Santos L, Hallemeier C, Jordan L, Kim E, Ford E. A multi-institutional assessment of COVID-19-related risk in radiation oncology. Radiother Oncol. 2020 Dec; 153:296-302 Epub 2020 Oct 20
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  51. Jethwa KR, Sannapaneni S, Mullikin TC, Harmsen WS, Petersen MM, Antharam P, Laughlin B, Mahipal A, Halfdanarson TR, Merrell KW, Neben-Wittich M, Sio TT, Haddock MG, Hallemeier CL. Chemoradiotherapy for patients with locally advanced or unresectable extra-hepatic biliary cancer. J Gastrointest Oncol. 2020 Dec; 11 (6):1408-1420
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  52. Gergelis KR, Jethwa KR, Tryggestad EJ, Ashman JB, Haddock MG, Hallemeier CL. Proton beam radiotherapy for esophagus cancer: state of the art. J Thorac Dis. 2020 Nov; 12 (11):7002-7010
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  53. Mady M, Prasai K, Tella SH, Yadav S, Hallemeier CL, Rakshit S, Roberts L, Borad M, Mahipal A. Neutrophil to lymphocyte ratio as a prognostic marker in metastatic gallbladder cancer. HPB (Oxford). 2020 Oct; 22 (10):1490-1495 Epub 2020 Feb 28
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  54. Jeans EB, Jethwa KR, Harmsen WS, Neben-Wittich M, Ashman JB, Merrell KW, Giffey B, Ito S, Kazemba B, Beltran C, Haddock MG, Hallemeier CL. Clinical Implementation of Preoperative Short-Course Pencil Beam Scanning Proton Therapy for Patients With Rectal Cancer. Adv Radiat Oncol. 2020 Sep-Oct; 5 (5):865-870 Epub 2020 May 22
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  55. Bhangoo RS, DeWees TA, Yu NY, Ding JX, Liu C, Golafshar MA, Rule WG, Vora SA, Ross HJ, Ahn DH, Beamer SE, Jaroszewski DE, Hallemeier CL, Liu W, Ashman JB, Sio TT. Acute Toxicities and Short-Term Patient Outcomes After Intensity-Modulated Proton Beam Radiation Therapy or Intensity-Modulated Photon Radiation Therapy for Esophageal Carcinoma: A Mayo Clinic Experience. Adv Radiat Oncol. 2020 Sep-Oct; 5 (5):871-879 Epub 2020 May 19
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  56. Deng W, Jethwa KR, Gonuguntla K, Liao Z, Yoon HH, Murphy MB, Haddock MG, Hallemeier CL, Lin SH. Multi-institutional Evaluation of Curative Intent Chemoradiotherapy for Patients With Clinical T1N0 Esophageal Adenocarcinoma. Adv Radiat Oncol. 2020 Sep-Oct; 5 (5):951-958 Epub 2020 Apr 27
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  57. Garda AE, Navin PJ, Merrell KW, Martenson JA, Neben Wittich MA, Haddock MG, Sio TT, Rule WG, Ashman JB, Sheedy SP, Hallemeier CL. Patterns of inguinal lymph node metastases in anal canal cancer and recommendations for elective clinical target volume (CTV) delineation. Radiother Oncol. 2020 Aug; 149:128-133 Epub 2020 May 15
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  58. Malouff TD, Krishnan S, Hallemeier CL, Haddock MG, Hoppe BS, Beltran C, Mahajan A, Trifiletti DM. Carbon Ion Radiotherapy in the Treatment of Pancreatic Cancer: A Review. Pancreas. 2020 Jul; 49 (6):737-743
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  59. Kommalapati A, Tella SH, Yadav S, Goyal G, Hallemeier C, Durgin L, Jin Z, Mahipal A. Survival and prognostic factors in patients with rectal squamous cell carcinoma. Eur J Surg Oncol. 2020 Jun; 46 (6):1111-1117 Epub 2020 Mar 04
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  60. Jethwa KR, Jang S, Mullikin TC, Harmsen WS, Petersen MM, Olivier KR, Park SS, Neben-Wittich MA, Hubbard JM, Sandhyavenu H, Whitaker TJ, Waltman LA, Kipp BR, Merrell KW, Haddock MG, Hallemeier CL. Association of tumor genomic factors and efficacy for metastasis-directed stereotactic body radiotherapy for oligometastatic colorectal cancer. Radiother Oncol. 2020 May; 146:29-36 Epub 2020 Feb 27
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  61. Kharofa J, Hallemeier CL, Huguet F, Anker CJ, Buckstein MH, Tait D, Olsen JR, Jabbour SK. Gastrointestinal Cancers: Moving the Needle for Rectal, Gastroesophageal, Pancreaticobiliary, and Liver Cancers. Int J Radiat Oncol Biol Phys 2020 Mar 15; 106 (4):653-662
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  62. Garda AE, Sheedy SP, Haddock MG, Hallemeier CL. Cystic Lymph Node Metastases From HPV-Associated Squamous Cell Carcinoma of the Anal Canal. Pract Radiat Oncol. 2020 Mar - Apr; 10 (2):e111-e115 Epub 2019 Dec 19
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  63. Jethwa KR, Haddock MG, Tryggestad EJ, Hallemeier CL. The emerging role of proton therapy for esophagus cancer. J Gastrointest Oncol. 2020 Feb; 11 (1):144-156
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  64. Tryggestad EJ, Liu W, Pepin MD, Hallemeier CL, Sio TT. Managing treatment-related uncertainties in proton beam radiotherapy for gastrointestinal cancers. J Gastrointest Oncol. 2020 Feb; 11 (1):212-224
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  65. van Rossum PSN, Deng W, Routman DM, Liu AY, Xu C, Shiraishi Y, Peters M, Merrell KW, Hallemeier CL, Mohan R, Lin SH. Prediction of Severe Lymphopenia During Chemoradiation Therapy for Esophageal Cancer: Development and Validation of a Pretreatment Nomogram. Pract Radiat Oncol. 2020 Jan - Feb; 10 (1):e16-e26 Epub 2019 July 29
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  66. Garant A, Whitaker TJ, Spears GM, Routman DM, Harmsen WS, Wilhite TJ, Ashman JB, Sio TT, Rule WG, Neben Wittich MA, Martenson JA, Tryggestad EJ, Yoon HH, Blackmon S, Merrell KW, Haddock MG, Hallemeier CL. A Comparison of Patient-Reported Health-Related Quality of Life During Proton Versus Photon Chemoradiation Therapy for Esophageal Cancer. Pract Radiat Oncol. 2019 Nov; 9 (6):410-417 Epub 2019 July 13
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  67. Hallemeier CL, Zhang P, Pisansky TM, Hanks GE, McGowan DG, Roach M 3rd, Zeitzer KL, Firat SY, Husain SM, D'Souza DP, Souhami L, Parliament MB, Rosenthal SA, Lukka HR, Rotman M, Horwitz EM, Miles EF, Paulus R, Sandler HM. Prostate-Specific Antigen After Neoadjuvant Androgen Suppression in Prostate Cancer Patients Receiving Short-Term Androgen Suppression and External Beam Radiation Therapy: Pooled Analysis of Four NRG Oncology Radiation Therapy Oncology Group Randomized Clinical Trials. Int J Radiat Oncol Biol Phys. 2019 Aug 1; 104 (5):1057-1065 Epub 2019 Apr 06
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  68. Kohorst JJ, Shah KK, Hallemeier CL, Baum CL, Davis MDP. Squamous Cell Carcinoma in Perineal, Perianal, and Gluteal Hidradenitis Suppurativa: Experience in 12 Patients. Dermatol Surg. 2019 Apr; 45 (4):519-526
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  69. Chakrabarti S, Jin Z, Huffman BM, Yadav S, Graham RP, Lam-Himlin DM, Lightner AL, Hallemeier CL, Mahipal A. Local excision for patients with stage I anal canal squamous cell carcinoma can be curative. J Gastrointest Oncol. 2019 Apr; 10 (2):171-178
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  70. Arnett ALH, Mou B, Owen D, Park SS, Nelson K, Hallemeier CL, Sio T, Garces YI, Olivier KR, Merrell KW. Long-term Clinical Outcomes and Safety Profile of SBRT for Centrally Located NSCLC. Adv Radiat Oncol. 2019 Apr-Jun; 4 (2):422-428 Epub 2019 Jan 24
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  71. Xi M, Yang Y, Zhang L, Yang H, Merrell KW, Hallemeier CL, Shen RK, Haddock MG, Hofstetter WL, Maru DM, Ho L, Wu CC, Liu M, Lin SH. Multi-institutional Analysis of Recurrence and Survival After Neoadjuvant Chemoradiotherapy of Esophageal Cancer: Impact of Histology on Recurrence Patterns and Outcomes. Ann Surg. 2019 Apr; 269 (4):663-670
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  72. Levy MJ, Gleeson FC, Topazian MD, Fujii-Lau LL, Enders FT, Larson JJ, Mara K, Abu Dayyeh BK, Alberts SR, Hallemeier CL, Iyer PG, Kendrick ML, Mauck WD, Pearson RK, Petersen BT, Rajan E, Takahashi N, Vege SS, Wang KK, Chari ST. Combined Celiac Ganglia and Plexus Neurolysis Shortens Survival, Without Benefit, vs Plexus Neurolysis Alone. Clin Gastroenterol Hepatol. 2019 Mar; 17 (4):728-738.e9 Epub 2018 Sept 12
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  73. Lightner AL, Spinelli A, McKenna NP, Hallemeier CL, Fleshner P. Does external beam radiation therapy to the pelvis portend worse ileal pouch outcomes? An international multi-institution collaborative study. Colorectal Dis. 2019 Feb; 21 (2):219-225 Epub 2018 Dec 01
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  74. Routman DM, Garant A, Lester SC, Day CN, Harmsen WS, Sanheuza CT, Yoon HH, Neben-Wittich MA, Martenson JA, Haddock MG, Hallemeier CL, Merrell KW. A Comparison of Grade 4 Lymphopenia With Proton Versus Photon Radiation Therapy for Esophageal Cancer. Adv Radiat Oncol. 2019 Jan-Mar; 4 (1):63-69 Epub 2019 Jan 17
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  75. Goense L, Merrell KW, Arnett AL, Hallemeier CL, Meijer GJ, Ruurda JP, Hofstetter WL, van Hillegersberg R, Lin SH. Validation of a Nomogram Predicting Survival After Trimodality Therapy for Esophageal Cancer. Ann Thorac Surg. 2018 Nov; 106 (5):1541-1547 Epub 2018 June 19
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  76. Badiyan SN, Hallemeier CL, Lin SH, Hall MD, Chuong MD. Proton beam therapy for gastrointestinal cancers: past, present, and future. J Gastrointest Oncol. 2018 Oct; 9 (5):962-971
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  77. Olsen JR, Murphy JD, Huguet F, Hallemeier CL, Apisarnthanarax S, Jabbour SK. Gastrointestinal Cancers-Carving Out the Optimal Local Therapies in the Gastrointestinal Tract. Int J Radiat Oncol Biol Phys 2018 Oct 1; 102 (2):233-242
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  78. Holliday EB, Lester SC, Harmsen WS, Eng C, Haddock MG, Krishnan S, Das P, Hallemeier CL. Extended-Field Chemoradiation Therapy for Definitive Treatment of Anal Canal Squamous Cell Carcinoma Involving the Para-Aortic Lymph Nodes. Int J Radiat Oncol Biol Phys. 2018 Sep 1; 102 (1):102-108 Epub 2018 May 05
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  79. Xi M, Hallemeier CL, Merrell KW, Liao Z, Murphy MAB, Ho L, Hofstetter WL, Mehran R, Lee JH, Bhutani MS, Weston B, Maru DM, Komaki R, Ajani JA, Lin SH. Recurrence Risk Stratification After Preoperative Chemoradiation of Esophageal Adenocarcinoma. Ann Surg. 2018 Aug; 268 (2):289-295
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  80. Thompson SM, Wells ML, Andrews JC, Ehman EC, Menias CO, Hallemeier CL, Roberts LR, Venkatesh SK. Venous invasion by hepatic tumors: imaging appearance and implications for management. Abdom Radiol (NY). 2018 Aug; 43 (8):1947-1967
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  81. Jethwa KR, Tryggestad EJ, Whitaker TJ, Giffey BT, Kazemba BD, Neben-Wittich MA, Merrell KW, Haddock MG, Hallemeier CL. Initial experience with intensity modulated proton therapy for intact, clinically localized pancreas cancer: Clinical implementation, dosimetric analysis, acute treatment-related adverse events, and patient-reported outcomes. Adv Radiat Oncol. 2018 Jul-Sep; 3 (3):314-321 Epub 2018 Apr 13
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  82. Deufel CL, Furutani KM, Dahl RA, Grams MP, McLemore LB, Hallemeier CL, Neben-Wittich M, Martenson JA, Haddock MG. Technique for the administration of high-dose-rate brachytherapy to the bile duct using a nasobiliary catheter. Brachytherapy. 2018 Jul - Aug; 17 (4):718-725
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  83. Gleeson FC, Tryggestad EJ, Remmes NB, Beltran CJ, Kruse JJ, Haddock MG, Hallemeier CL, Storm AC, Levy MJ. Knowledge of endoscopic ultrasound-delivered fiducial composition and dimension necessary when planning proton beam radiotherapy. Endosc Int Open. 2018 Jun; 6 (6):E766-E768 Epub 2018 June 05
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  84. Johnson B, Jin Z, Haddock MG, Hallemeier CL, Martenson JA, Smoot RL, Larson DW, Dozois EJ, Nagorney DM, Grothey A. A Curative-Intent Trimodality Approach for Isolated Abdominal Nodal Metastases in Metastatic Colorectal Cancer: Update of a Single-Institutional Experience. Oncologist. 2018 Jun; 23 (6):679-685 Epub 2018 Feb 14
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  85. Hobbs CJ, Ko SJ, Paryani NN, Accurso JM, Olivier KR, Garces YI, Park SS, Hallemeier CL, Schild SE, Vora SA, Ashman JB, Rule WG, Bowers JR, Heckman MG, Diehl NN, Miller RC. Stereotactic Body Radiotherapy for Medically Inoperable Stage I-II Non-Small Cell Lung Cancer: The Mayo Clinic Experience. Mayo Clin Proc Innov Qual Outcomes. 2018 Mar; 2 (1):40-48 Epub 2017 Dec 26
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  86. Ilyas SI, Khan SA, Hallemeier CL, Kelley RK, Gores GJ. Cholangiocarcinoma - evolving concepts and therapeutic strategies. Nat Rev Clin Oncol. 2018 Feb; 15 (2):95-111 Epub 2017 Oct 10
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  87. Evans JD, Hansen CC, Tollefson MK, Hallemeier CL. Stereotactic body radiation therapy for medically inoperable, clinically localized, urothelial carcinoma of the renal pelvis: A case report. Adv Radiat Oncol. 2018 Jan-Mar; 3 (1):57-61 Epub 2017 Aug 30
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  88. Breen W, Bancos I, Young WF Jr, Bible KC, Laack NN, Foote RL, Hallemeier CL. External beam radiation therapy for advanced/unresectable malignant paraganglioma and pheochromocytoma. Adv Radiat Oncol. 2018 Jan-Mar; 3 (1):25-29 Epub 2017 Nov 22
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  89. Haddock MG, Hallemeier CL. Intraoperative radiation therapy for locally advanced or locally recurrent rectal cancer Current Colorectal Cancer Reports. 2017 Oct; 13 (5):402-9
  90. Leventakos K, Peikert T, Midthun DE, Molina JR, Blackmon S, Nichols FC, Garces YI, Hallemeier CL, Murphy SJ, Vasmatzis G, Kratz SL, Holland WP, Thomas CF, Mullon JJ, Shen KR, Cassivi SD, Marks RS, Aubry MC, Adjei AA, Yang P, Allen MS, Edell ES, Wigle D, Mansfield AS. Management of Multifocal Lung Cancer: Results of a Survey. J Thorac Oncol. 2017 Sep; 12 (9):1398-1402 Epub 2017 June 03
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  91. Fossum CC, Alabbad JY, Romak LB, Hallemeier CL, Haddock MG, Huebner M, Dozois EJ, Larson DW. The role of neoadjuvant radiotherapy for locally-advanced rectal cancer with resectable synchronous metastasis. J Gastrointest Oncol. 2017 Aug; 8 (4):650-658
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  92. Lester SC, Lin SH, Chuong M, Bhooshan N, Liao Z, Arnett AL, James SE, Evans JD, Spears GM, Komaki R, Haddock MG, Mehta MP, Hallemeier CL, Merrell KW. A Multi-institutional Analysis of Trimodality Therapy for Esophageal Cancer in Elderly Patients. Int J Radiat Oncol Biol Phys. 2017 Jul 15; 98 (4):820-828 Epub 2017 Feb 20
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  93. Lin SH, Merrell KW, Shen J, Verma V, Correa AM, Wang L, Thall PF, Bhooshan N, James SE, Haddock MG, Suntharalingam M, Mehta MP, Liao Z, Cox JD, Komaki R, Mehran RJ, Chuong MD, Hallemeier CL. Multi-institutional analysis of radiation modality use and postoperative outcomes of neoadjuvant chemoradiation for esophageal cancer. Radiother Oncol. 2017 Jun; 123 (3):376-381 Epub 2017 Apr 25
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  94. Verma V, Shostrom VK, Zhen W, Zhang M, Braunstein SE, Holland J, Hallemeier CL, Harkenrider MM, Iskhanian A, Jabbour SK, Attia A, Lee P, Wang K, Decker RH, McGarry RC, Simone CB 2nd. Influence of Fractionation Scheme and Tumor Location on Toxicities After Stereotactic Body Radiation Therapy for Large (>/=5 cm) Non-Small Cell Lung Cancer: A Multi-institutional Analysis. Int J Radiat Oncol Biol Phys. 2017 Mar 15; 97 (4):778-785 Epub 2016 Dec 02
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  95. Verma V, Shostrom VK, Kumar SS, Zhen W, Hallemeier CL, Braunstein SE, Holland J, Harkenrider MM, S Iskhanian A, Neboori HJ, Jabbour SK, Attia A, Lee P, Alite F, Walker JM, Stahl JM, Wang K, Bingham BS, Hadzitheodorou C, Decker RH, McGarry RC, Simone CB 2nd. Multi-institutional experience of stereotactic body radiotherapy for large (>/=5 centimeters) non-small cell lung tumors. Cancer. 2017 Feb 15; 123 (4):688-696 Epub 2016 Oct 14
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  96. Verma V, Simone CB 2nd, Allen PK, Gajjar SR, Shah C, Zhen W, Harkenrider MM, Hallemeier CL, Jabbour SK, Matthiesen CL, Braunstein SE, Lee P, Dilling TJ, Allen BG, Nichols EM, Attia A, Zeng J, Biswas T, Paximadis P, Wang F, Walker JM, Stahl JM, Daly ME, Decker RH, Hales RK, Willers H, Videtic GM, Mehta MP, Lin SH. Multi-Institutional Experience of Stereotactic Ablative Radiation Therapy for Stage I Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys. 2017 Feb 1; 97 (2):362-371 Epub 2016 Nov 02
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  97. Arnett ALH, Merrell KW, Martin Macintosh E, Macintosh EM, James SE, Nathan MA, Shen KR, Ravi K, Neben Wittich MA, Haddock MG, Hallemeier CL. Utility of (18)F-FDG PET for Predicting Histopathologic Response in Esophageal Carcinoma following Chemoradiation. J Thorac Oncol. 2017 Jan; 12 (1):121-128 Epub 2016 Aug 26
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  98. Breen WG, Merrell KW, Mansfield AS, Wigle DA, Garces YI, Park SS, Olivier KR, Hallemeier CL. Predictors of relapse and evaluation of the role of postoperative radiation therapy in a modern series of patients with surgically resected stage III (N2) non-small cell lung cancer. Adv Radiat Oncol. 2017 Jan-Mar; 2 (1):12-18 Epub 2016 Dec 21
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  99. Paly JJ, Lin CC, Gray PJ, Hallemeier CL, Beard C, Sineshaw H, Jemal A, Efstathiou JA. Management and outcomes of clinical stage IIAB seminoma: Results from the National Cancer Data Base 1998-2012. Pract Radiat Oncol. 2016 Nov - Dec; 6: (6)e249-e258.
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  102. Mayo CS, Pisansky TM, Petersen IA, Yan ES, Davis BJ, Stafford SL, Garces YI, Miller RC, Martenson JA, Mutter RW, Choo R, Hallemeier CL, Laack NN, Ma DJ, Olivier KR, Keole SR, Fatyga M, Foote RL, Haddock MG. Establishment of practice standards in nomenclature and prescription to enable construction of software and databases for knowledge-based practice review. Pract Radiat Oncol. 2016 Jul-Aug; 6 (4):e117-e126 Epub 2016 Jan 26
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  104. Merrell KW, Haddock MG, Quevedo JF, Harmsen WS, Kendrick ML, Miller RC, Hallemeier CL. Predictors of Locoregional Failure and Impact on Overall Survival in Patients With Resected Exocrine Pancreatic Cancer. Int J Radiat Oncol Biol Phys. 2016 Mar 1; 94 (3):561-70 Epub 2015 Nov 10
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  106. Anand A, Bues M, Rule WG, Keole SR, Beltran CJ, Yin J, Haddock MG, Hallemeier CL, Miller RC, Ashman JB. Scanning proton beam therapy reduces normal tissue exposure in pelvic radiotherapy for anal cancer. Radiother Oncol. 2015 Dec; 117 (3):505-8 Epub 2015 Nov 17
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  107. Mukewar S, Gupta A, Baron TH, Gores G, Furutani K, Haddock MG, Hallemeier CL. Endoscopically inserted nasobiliary catheters for high dose-rate brachytherapy as part of neoadjuvant therapy for perihilar cholangiocarcinoma. Endoscopy. 2015 Oct; 47 (10):878-83 Epub 2015 May 11
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  110. Sio TT, Jensen AR, Miller RC, Fong de los Santos LE, Hallemeier CL, Foster NR, Park SS, Bauer HJ, Chang K, Garces YI, Olivier KR. Influence of patient's physiologic factors and immobilization choice with stereotactic body radiotherapy for upper lung tumors. J Appl Clin Med Phys. 2014 Sep 8; 15 (5):4931 Epub 2014 Sept 08
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  113. Hallemeier CL, You YN, Larson DW, Dozois EJ, Nelson H, Klein KA, Miller RC, Haddock MG. Multimodality therapy including salvage surgical resection and intraoperative radiotherapy for patients with squamous-cell carcinoma of the anus with residual or recurrent disease after primary chemoradiotherapy. Dis Colon Rectum. 2014 Apr; 57 (4):442-8
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  115. Chang K, Sio TT, Chandan VS, Iott MJ, Hallemeier CL. Angiosarcoma of the seminal vesicle: a case report of long-term survival following multimodality therapy. Rare Tumors. 2014 Jan 23; 6 (1):5202 Epub 2014 Jan 29
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  116. Hallemeier CL, Choo R, Davis BJ, Leibovich BC, Costello BA, Pisansky TM. Excellent long-term disease control with modern radiotherapy techniques for stage I testicular seminoma--the Mayo Clinic experience. Urol Oncol. 2014 Jan; 32 (1):24.e1-6 Epub 2013 Mar 11
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  119. Hallemeier CL, Iott MJ, Martenson JA, Haddock MG, Zhao XC, Miller RC. A pilot study examining circulating interleukin-6 and transforming growth factor-beta levels during pelvic radiation therapy. Am J Clin Oncol. 2013 Aug; 36(4):344-7.
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  125. Hallemeier CL, Botros M, Corsini MM, Haddock MG, Gunderson LL, Miller RC. Preoperative CA 19-9 level is an important prognostic factor in patients with pancreatic adenocarcinoma treated with surgical resection and adjuvant concurrent chemoradiotherapy. Am J Clin Oncol. 2011 Dec; 34(6):567-72.
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  126. Bernardo MC, Graff Radford J, Menke J, Hallemeier C, Boes CJ, Lewis M, Scheithauer B, Giannini C. Intravascular mucinosis: a rare cause of cerebral infarction. Acta Neuropathol 2011 Jun; 121 (6):785-8 Epub 2011 May 04
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  129. Hallemeier CL, Girgis MD, Blum WG, Brown RA, Khoury HJ, Devine SM, Vij R, Lin HS, DiPersio JF, Adkins DR. Long-term remissions in patients with myelodysplastic syndrome and secondary acute myelogenous leukemia undergoing allogeneic transplantation following a reduced intensity conditioning regimen of 550 cGy total body irradiation and cyclophosphamide. Biol Blood Marrow Transplant. 2006 Jul; 12(7):749-57.
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  131. Oza A, Hallemeier C, Goodnough L, Khoury H, Shenoy S, Devine S, Augustin K, Vij R, Trinkaus K, Dipersio JF, Adkins D. Granulocyte-colony-stimulating factor-mobilized prophylactic granulocyte transfusions given after allogeneic peripheral blood progenitor cell transplantation result in a modest reduction of febrile days and intravenous antibiotic usage. Transfusion. 2006 Jan; 46(1):14-23.
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