title: Rectal impaction of gallstone.
mesh_terms: D000368:Aged; D002769:Cholelithiasis / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*; D008297:Male; D011859:Radiography; D012002:Rectal Diseases / Q000209:etiology*