不同部位的胆管癌有不同的临床病理学表现，癌在胆管内局部及向周围的进展程度是决定切除手术方式的两个重要因素。胆管爆进展方式特征是沿胆管壁内纵向进展、向包括肝动脉、门静脉在内的肝十二指肠韧带内间质浸润和淋巴结转移等。作为术前影像学诊断，直接明道造影可了解癌肿 Different parts of the cholangiocarcinoma have different clinical and pathological manifestations of cancer in the bile duct to the local and surrounding the degree of progress is the decision of surgical removal of the two important factors. Bile duct burst progress is characterized by longitudinal development of the bile duct wall, including the hepatic artery, portal vein, including interstitial infiltration of liver duodenum and lymph node metastasis. As a preoperative imaging diagnosis, direct Ming Road angiography can understand cancer