Gallstone ileus.
D000368:Aged; D002769:Cholelithiasis / Q000150:complications*; D004378:Duodenal Diseases / Q000000981:diagnostic imaging; D004380:Duodenal Obstruction / Q000209:etiology*; D005260:Female; D005402:Fistula / Q000000981:diagnostic imaging; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging; D006801:Humans; D011859:Radiography