肝癌二级预防的评价上海医科大学（２０００３２）陈文，俞顺章，程晓明在我国，每年发生原发性肝癌病例１１０２００（１９８４年），在恶性肿瘤发病位次中居第三位。鉴于肝癌病因尚未完全澄清，广泛存在于自然界与一般人群中，一时难于消除，以早期发现、早期诊断、早期... Evaluation of secondary prevention of liver cancer Shanghai Medical University (200032) Chen Wen, Yu Shunzhang, Cheng Xiaoming In our country, 110,200 cases of primary liver cancer occur in each year (1984), ranking third in the incidence of malignant tumors. In view of the fact that the cause of liver cancer has not been completely clarified, it is widely found in nature and the general population. It is difficult to eradicate in time, and early detection, early diagnosis, early detection,