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肝门部胆管癌是胆道系统最常见的恶性肿瘤,其发病率呈上升趋势~([1])。近年来,随着影像学和手术技术的进步,肝门部胆管癌的早期诊断和外科治疗均取得了很大进步,手术切除率逐步提高,预后得到明显改善。联合大块肝切除治疗BismuthⅢ型以上的肝门部胆管癌可提高根治切除率,但是对于如何实现更为精确的外科治疗,降低其术后并发症发生率,既保证安全又确保根治,这些依然是摆在外科医生面前的难题。如果预保留肝脏有足够的体
Hilar cholangiocarcinoma is the most common malignant tumor of the biliary system, and its incidence is on the rise ~ ([1]). In recent years, with the progress of imaging and surgical techniques, the early diagnosis and surgical treatment of hilar cholangiocarcinoma have made great progress, the rate of surgical resection has been gradually increased, and the prognosis has been significantly improved. Combined massive livers resection for the treatment of hilar cholangiocarcinoma with type Bismuth Ⅲ or higher can improve the radical resection rate. However, for how to achieve more accurate surgical treatment and reduce the incidence of postoperative complications, it not only guarantees safety but also ensures radical treatment. It is a problem for surgeons. If pre-retaining liver have enough body