原发性或继发性肝癌是我国常见的肝癌,居恶性肿瘤死亡的第2位。肝癌的治疗手段主要为手术、放疗、化疗及介入治疗等。但由于肝癌起病隐匿,大部分发现时已属中晚期而失去手术机会。另外中晚期肝癌多伴有不同程度的肝硬化及肝功能异常而不能耐受高剂量化疗。肝癌对放射 Primary or secondary liver cancer is a common liver cancer in our country, ranks second in malignant tumor death. The treatment of liver cancer mainly for surgery, radiotherapy, chemotherapy and interventional therapy. However, due to the insidious onset of liver cancer, most of the time it is found in the late and lost the chance of surgery. In addition, advanced liver cancer often accompanied by varying degrees of liver cirrhosis and liver dysfunction can not tolerate high-dose chemotherapy. Liver cancer on the radiation