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肝外肿管癌因其手术切除率低和预后差而一直为外科界所关注。、＿近年来随着影像诊断技术的发展、手术的改进和手术范围的扩大。切除率已有明显提高，新近出现的胆道内支撑架疗法更为晚期胆管瘤的治疗拓宽了思路。作者又198〕年6月至19W年｛月共外科治疗肝外胆管瘤42一例。现报
Extrahepatic squamous cell carcinoma has been of concern to the surgical community due to its low surgical resection rate and poor prognosis. In recent years, with the development of imaging diagnostic techniques, the improvement of surgery, and the expansion of the scope of surgery. The resection rate has been significantly improved, and the newly emerging intrahepatic stenting therapy has broadened the thinking for the treatment of advanced cholangiocarcinoma. The authors also treated 42 cases of extrahepatic cholangiocarcinoma from June to 19W. Present report