原发性肝癌是临床上最常见的恶性肿瘤之一,手术是肝癌首选的治疗方法,随着肝脏外科手术技术的日益进步,肿瘤大小并不是制约手术的关键因素[1]。能否手术切除以及切除的疗效除了与肿瘤的大小和数目有关,还与肝脏功能、肝硬化程度、肿瘤部位、肿瘤界限、有无完整包膜及静脉癌栓等有着密切的关系[2]。规则性肝段切除有利于抑制肝癌细胞在肝内的扩散转移,可减少患者术后复发的几率,因此有不少研究者建议进行肝段规则切除[3]。本研 Primary liver cancer is one of the most common malignant tumors in clinical practice. Surgery is the first choice of treatment for liver cancer. With the progress of liver surgery, tumor size is not the key factor restricting surgery [1]. In addition to the size and number of the tumor, it is also closely related to liver function, degree of cirrhosis, tumor location, tumor boundary, presence or absence of complete capsule and venous thrombosis. Regular hepatectomy is beneficial to inhibit the proliferation and metastasis of hepatoma cells in the liver and reduce the chances of postoperative recurrence. Therefore, many researchers recommend hepatectomy [3]. This research