A 40-year-old man underwent right hemihepatectomy with biliary reconstruction for hilar bile duct cancer, and the surgical margin being negative. The tumor, showing atypical intraductal growth, was solid adenocarcinoma with rich mucinous component, although it was negative for MUC1, MUC2 and MUC5AC, suggesting that the tumor was not an intraductal papillary neoplasm of the bile duct (IPN-B). Eight years after operation, abdominal and cervical lymph node metastases were found on computed tomography and (18)F-deoxyglucose positron emission tomography examination. Late remote recurrence after curative resection of the extrahepatic bile duct cancer is relatively rare. The recurrence in the present case maybe explained by the tumor dormancy theory.
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