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原发性肝癌是世界上最常见、最严重的10种恶性肿瘤之一,占肝脏恶性肿瘤的85%以上。按性别分布,男性多于女性,男女比例非洲为7∶1,欧美为3∶1,我国为5∶1。按年龄分布,非洲以青壮年(30～40岁)居多,欧美以老年(60～69岁)居多,我国则是以40～49岁为主。我国是肝癌高发区,原发性肝癌合并肝硬变发生率约为80%,肝硬变患者中约25%～40%合并肝癌。
Primary liver cancer is one of the 10 most common and most serious malignancies in the world, accounting for more than 85% of liver malignancies. According to the distribution of sex, more men than women, the ratio of men and women in Africa is 7:1, Europe and the United States is 3:1, China is 5:1. According to age distribution, Africa is mostly young (30-40 years old), Europe and the United States are old (60-69 years old), and China is mainly 40-49 years old. China is a high-risk area of liver cancer, the incidence of primary liver cancer with cirrhosis is about 80%, about 25% to 40% of liver cirrhosis patients with liver cancer.