肝脏是恶性肿瘤最常见的转移部位,而且经常是晚期肿瘤患者的惟一转移器官。Douglas等[1] 根据肝脏转移出现的肿瘤全身播散情况,将肝脏转移瘤按适合做局部治疗的程度分类:结直肠癌、胰腺内分泌肿瘤、类癌、眼恶性黑色素瘤、胃肠道间质肿瘤等发生转移时常局限于肝脏,因而多数情况 The liver is the most common metastatic site of malignancy, and it is often the only metastatic organ for advanced cancer patients. Douglas et al. [1] classified the hepatic metastatic tumors according to the extent of the tumors suitable for local treatment according to the spread of tumors in liver metastases: colorectal cancer, pancreatic endocrine tumors, carcinoids, malignant melanoma of the eye, gastrointestinal stromal Metastasis of tumors, etc. is often limited to the liver, so most cases