Postoperative acute cholecystitis.
D000208:Acute Disease; D000368:Aged; D002764:Cholecystitis / Q000209:etiology*; D003085:Colic / Q000601:surgery; D006801:Humans; D007674:Kidney Diseases / Q000601:surgery; D008297:Male; D011183:Postoperative Complications / Q000209:etiology*