title: Gallstone ileus. Unusual roentgenographic manifestations of a case.
mesh_terms: D000368:Aged; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D004380:Duodenal Obstruction / Q000000981:diagnostic imaging*; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography