为了施行合适的肝外胆管癌的淋巴结清扫术，必需对其中淋巴扩散的模式有详尽的了解，作者就分析了1981～1993年所手术治疗的80例肝外胆管癌，包括10例胆囊管癌。全组平均年龄66岁（37～86岁），男56例，女24例。按TNM分类，将上1／3胆管（包括肝管分叉部）称为近端胆管癌，而远 In order to perform appropriate lymph node dissection for extrahepatic cholangiocarcinoma, a detailed understanding of the pattern of lymphatic metastasis is required. The authors analyzed 80 cases of extrahepatic cholangiocarcinoma surgically treated from 1981 to 1993, including 10 cases of cystic duct carcinoma. . The average age of the whole group was 66 years old (37-86 years old), 56 males and 24 females. According to TNM classification, the upper third of the bile duct (including the bifurcation of the hepatic duct) is called proximal cholangiocarcinoma, and far