近三十年来世界各地原发性肝细胞癌(下称肝癌)的发病率和死亡率逐年升高。该病分布呈现明显的地理差异。非洲和亚洲为肝癌高发区,欧洲和北美则为低发区。肝癌是我国常见的恶性肿瘤之一。每年约70万人死于恶性肿瘤,其中肝癌约10万人。仅次于胃癌和肺癌,在全国重点防治研究的九大肿瘤中占第三位。 In the past three decades, the incidence and mortality of primary hepatocellular carcinoma (hereinafter referred to as liver cancer) in the world have been increasing year by year. The distribution of the disease showed obvious geographical differences. High incidence of liver cancer in Africa and Asia, Europe and North America is the low incidence. Liver cancer is one of the common malignant tumors in our country. About 700,000 people die of malignant tumors each year, of which about 100,000 liver cancer. Second only to gastric cancer and lung cancer, ranking the third among the nine major cancer prevention and treatment studies nationwide.