[Vesicosigmoid fistula: a case report].
D000231:Adenocarcinoma, Papillary / Q000150:complications*; D000368:Aged; D012809:Colon, Sigmoid; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male; D012811:Sigmoid Neoplasms / Q000150:complications*; D001747:Urinary Bladder Fistula / Q000209:etiology*