title: [Prestenotic colonic ulceration, a sign of impending perforation].
mesh_terms: D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging* / Q000209:etiology; D003110:Colonic Neoplasms / Q000150:complications; D006801:Humans; D007416:Intestinal Perforation / Q000000981:diagnostic imaging* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011859:Radiography
vernacular_title: Prästenotische Dickdarmulzeration--ein Zeichen drohender Perforation.