肝癌是一种常见的恶性肿瘤,我国肝癌发病率和病死率均高于世界平均水平,位列我国癌症病死率的第二位。肝癌的发生和发展是多因素作用、多阶段进展的过程。主要致病因素为乙型肝炎和丙型肝炎,黄曲霉毒素、各种原因所致的肝硬化等也可引起肝癌,酗酒、吸烟等可作为促发因素增加患肝癌的危险性。早期发现获得较好疗效的关键肝癌早期没有症状,若已出现症状而去就诊,多 Liver cancer is a common malignant tumor. The incidence and mortality rate of liver cancer in China are higher than the world average, ranking second in China’s cancer mortality rate. The occurrence and development of liver cancer is a multi-factor effect, multi-stage process of progress. The main risk factors for hepatitis B and hepatitis C, aflatoxins, liver cirrhosis caused by various causes can also cause liver cancer, alcoholism, smoking and so can be used as a pro-inflammatory factor to increase the risk of liver cancer. Early detection of the key to better efficacy of liver cancer early no symptoms, if symptoms have gone to treatment, and more