title: Asymptomatic megacolon persisting six years after toxic dilatation of the colon. Report of a case.
mesh_terms: D000328:Adult; D003093:Colitis, Ulcerative / Q000150:complications* / Q000000981:diagnostic imaging / Q000188:drug therapy; D006801:Humans; D008297:Male; D008531:Megacolon / Q000175:diagnosis / Q000209:etiology*; D011859:Radiography; D012460:Sulfasalazine / Q000627:therapeutic use
chemical_list: D012460:Sulfasalazine