Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments with related expertise Cancer Care at Mayo Clinic Colon and Rectal Surgery Early Onset and Hereditary GI Cancers Program Pediatric Hematology/Oncology Radiation Oncology Doctors who perform this procedure Edit search filters close Narrow your search By location Phoenix/Scottsdale, AZ By last name Find a doctor whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D There are no doctors whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I There are no doctors whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M There are no doctors whose last name begins with the letter N N There are no doctors whose last name begins with the letter O O There are no doctors whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q active Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U There are no doctors whose last name begins with the letter V V There are no doctors whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-1 out of 1 doctors available Last Name Initial: R William G. Rule, M.D. Radiation Oncologist Phoenix, AZ Areas of focus: Intraoperative radiation therapy, Proton therapy, Radiation therapy, Intensity-modulated radiation therapy, Stereotacti...c body radiotherapy, Neuroendocrine tumor, Colon cancer, Rectal cancer, Anal cancer, Pancreatic cancer, Esophageal cancer, Cholangiocarcinoma, Liver cancer, Stomach cancer, Pancreatic neuroendocrine tumor, Small bowel cancer, Multiple myeloma, Lymphoma, Leukemia Show more areas of focus for William G. Rule, M.D. ResearchMayo Clinic doctors and researchers are studying new ways of using IORT to help more people with cancer. Cancer research is conducted with the Mayo Clinic Comprehensive Cancer Center. The Mayo Clinic Comprehensive Cancer Center receives funding from the National Cancer Institute and is named as a comprehensive cancer center. This recognizes the center for scientific excellence and multidisciplinary resources focused on cancer prevention, diagnosis and treatment. PublicationsSee a list of publications about IORT by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine. By Mayo Clinic Staff Intraoperative radiation therapy (IORT) care at Mayo Clinic Request an appointment AboutCare at Mayo Clinic April 16, 2024 Print Show references Tepper JE, et al., eds. Intraoperative radiation. In: Gunderson & Tepper's Clinical Radiation Oncology. 5th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed Nov. 16, 2022. Jethwa KR, et al. The use of intraoperative radiation therapy in the management of locally recurrent rectal cancer. Seminars in Colon and Rectal Surgery. 2020; doi:10.1016/j.scrs.2020.100763. Mitin T. Radiation therapy techniques in cancer treatment. https://www.uptodate.com/contents/search. Accessed Dec. 1, 2022. Jethwa KR (expert opinion). Mayo Clinic. Dec. 16, 2022. Related Choroid plexus carcinoma Craniopharyngioma Intraoperative radiation therapy News from Mayo Clinic Teamwork and a new nickname inspire patient through pancreatic cancer treatment April 19, 2024, 03:07 p.m. CDT Mayo Clinic Minute: Breaking through radiation therapy myths July 26, 2023, 04:00 p.m. CDT Products & Services A Book: Mayo Clinic Family Health Book Newsletter: Mayo Clinic Health Letter — Digital Edition Show more products and services from Mayo Clinic Intraoperative radiation therapy (IORT)AboutDoctors&DepartmentsCare atMayoClinic PRC-20304585 Patient Care & Health Information Tests & Procedures Intraoperative radiation therapy (IORT)