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对1956年～1995年收治830例肝外胆道癌的临床研究结果表明，胆囊癌占72％（601／830），胆管癌占27．6％（119／830）。胆囊癌男女比例为1:2．54，平均年龄56．55岁，55岁以上占65．9％，腺癌占96．2％，手术切除率29．4％。胆管癌男女比例为1．46：1，平均年龄为56．4岁，55岁以上占53．7％，腺癌占100％，手术切除率为20．4％。阶段性分析表明，胆囊癌及胆管癌发病均有上升趋势，肿瘤切除率亦有升高。
The clinical study of 830 cases of extrahepatic biliary tract carcinoma treated from 1956 to 1995 showed that gallbladder cancer accounted for 72% (601/830), and cholangiocarcinoma accounted for 27.6% (119/830). The ratio of men and women with gallbladder cancer was 1:2.54, the average age was 56.55 years, 65.9% was over 55 years old, adenocarcinoma was 96.2%, and the surgical resection rate was 29.4%. The ratio of men and women with cholangiocarcinoma was 1.46:1, the average age was 56.4 years, 53.7% were over the age of 55, adenocarcinoma was 100%, and the surgical resection rate was 20.4%. Phase analysis showed that the incidence of gallbladder cancer and cholangiocarcinoma had an upward trend, and the tumor resection rate also increased.