Toxic megacolon.
D000328:Adult; D001466:Barium Sulfate; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
D001466:Barium Sulfate