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肝门部胆管癌由于其特殊的解剖部位易侵犯肝门区重要血管和肝实质，手术难度大，术前诊断并分型在临床上至关重要，目前对肿瘤多采用TNM分期，但不能完全反映本病的病程和预后。我们自lop年1月至1997年12月用B超和彩色多普勒对4O例肝门部胆管癌作了观察分析并与普外科医师一起
Because of its special anatomical site, hilar cholangiocarcinoma can easily invade important hepatic portal veins and liver parenchyma. It is difficult to perform surgery. Preoperative diagnosis and classification are critical in clinical practice. TNM staging is currently used for tumors, but not completely. Reflect the disease’s course and prognosis. We observed and analyzed 4O cases of hilar cholangiocarcinoma with B-mode ultrasonography and color Doppler from January lop to December 1997 and together with general surgeons