title: Gallstone ileus.
mesh_terms: D000368:Aged; D002769:Cholelithiasis / Q000150:complications*; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*; D007421:Intestine, Small; D007583:Jejunum; D008297:Male; D008875:Middle Aged