title: Toxic megacolon.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002432:Cecum / Q000601:surgery; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000601:surgery*; D003125:Colostomy; D005260:Female; D006801:Humans; D007081:Ileostomy; D008297:Male; D008532:Megacolon, Toxic / Q000601:surgery*; D008875:Middle Aged; D012007:Rectum / Q000601:surgery