title: A large colonic intraluminal mass in a young man with chronic diarrhea.
mesh_terms: D000328:Adult; D003092:Colitis / Q000000981:diagnostic imaging; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging; D003424:Crohn Disease / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography