title: Perforated gastric ulcer secondary to gallstone ileus.
mesh_terms: D000368:Aged; D002769:Cholelithiasis / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology; D011859:Radiography; D013276:Stomach Ulcer / Q000209:etiology*