title: Images of the month : a rare etiology of hematochezia.
mesh_terms: D000368:Aged; D001650:Bile Duct Neoplasms / Q000473:pathology*; D001653:Bile Ducts, Intrahepatic; D002430:Cecal Neoplasms / Q000473:pathology / Q000556:secondary*; D018281:Cholangiocarcinoma / Q000556:secondary*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D008875:Middle Aged