发病率及流行病学:亚、非国家是世界上原发性肝癌(简称肝癌)最高发病地区,肝癌占所有癌肿的百分比在莫桑比克为70％、塞内加尔67％、南非班图族51％、香港45％、马来西亚41％、印度、中国以及菲律宾各20％、希腊13％、西班牙10%、中欧国家和美国均为2.5％。在美国肝癌作为肝硬化的迟发并发症占30％。在澳大利亚、瑞士、波兰、匈牙利发病率亦都有增高。年龄和发病率有关,发病率愈高,发病年龄也愈小。在 Incidence and epidemiology: Asia and Africa are the highest incidence areas of primary liver cancer (abbreviated as liver cancer) in the world. Liver cancer accounts for 70% of all cancers in Mozambique, 67% in Senegal, and 51% in Bantu in South Africa. Hong Kong 45%, Malaysia 41%, India, China and the Philippines 20% each, Greece 13%, Spain 10%, Central European countries and the United States are 2.5%. In the United States, liver cancer accounts for 30% of late complications of cirrhosis. The incidence has also increased in Australia, Switzerland, Poland and Hungary. Age and morbidity are related. The higher the incidence, the smaller the age of onset. in