[Intraduodenal fistula caused by common bile duct neoplasm--a case study].
D000368:Aged; D001650:Bile Duct Neoplasms / Q000150:complications*; D004378:Duodenal Diseases / Q000209:etiology*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male