大肠癌合并肝转移相当常见,15%~25%的结直肠癌患者在原发肿瘤诊断时即有肝转移,20%左右的患者原发肿瘤治疗后出现肝转移[1],20%~35%的患者肝脏为唯一转移部位[2]。如不给予治疗,发现肝转移后中位生存期为9个月左右[1]。常用治疗方法有手术、化疗、射频、冷冻、微波、无水酒精注 Colorectal cancer with liver metastases is quite common, 15% to 25% of colorectal cancer patients with liver metastases in the diagnosis of primary tumors, about 20% of patients after primary tumor treatment of liver metastases [1], 20% to 35 % Of patients with liver as the only site of metastasis [2]. Without treatment, median survival after liver transplantation was found to be about 9 months [1]. Common treatment methods are surgery, chemotherapy, radio frequency, freezing, microwave, anhydrous alcohol injection