Ulcerative colitis proximal to carcinoma of the colon.
D000230:Adenocarcinoma / Q000150:complications*; D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging / Q000209:etiology*; D003110:Colonic Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography