Left choroidal melanoma Aug. 10, 2020 Overview Show transcript Overview Lauren A. Dalvin, M.D., an ophthalmologist with subspecialty training in ocular oncology at Mayo Clinic in Rochester, Minnesota, performs a placement of a plaque radiation device for a patient with a newly diagnosed choroidal melanoma. Receive Mayo Clinic news in your inbox. Sign up Related ContentArticleStudy finds most conjunctival tumors benign with low risk of malignant transformation VID-20532613 Medical Professionals Left choroidal melanoma