S1800 A Case of Metastatic Prostate Cancer Masquerading as Radiation Proctitis on Colonoscopy. (October 2021) - Aponte-Pieras, Jose; Tun, Kyaw Min; Lankarani, Daisy; Hong, Annie; Elmofti, Yousif; Farooqui, Muhammad T.; Aziz, Hamza; Zabel, Jeff; Aye, Le; Ohning, Gordon V.; Fayad, Joseph