恶性肿瘤是严重危害人民健康的常见病。据有关资料介绍美国肿瘤学会报告,1969年在美国有94万人在治疗肿瘤,其中有61.5万患者是1969年新发现的病例。按照我国各地近年普查资料推算,全国每年新发病人约有一百万,每年死亡70多万。自1964年以来,因恶性肿瘤死亡的人数分别占当年各 Malignant tumors are common diseases that seriously endanger people’s health. According to relevant information, the report of the American Society of Tumors reported that 940,000 people in the United States treated tumors in 1969, of which 615,000 were new cases discovered in 1969. According to the census data from various parts of the country in recent years, there are about one million new cases each year and more than 700,000 deaths each year. Since 1964, the deaths from malignant tumors have accounted for the current year