title: Gallstone ileus.
mesh_terms: D000328:Adult; D000368:Aged; D001658:Biliary Fistula; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000150:complications* / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012008:Recurrence