1972年,美国死于癌症的人数为352,800人,占全国死亡人数的18％。一般认为癌症主要为老年性疾病,但儿童和青年同样患癌症。1975年癌症占美国研究费用的18％,在总的医疗费用中,癌症占约9％。1972年,癌症耗费170亿美元。一、癌症的各种费用 1.癌症治疗的直接费用癌症病人的直接治疗费用指所有的诊 In 1972, the number of Americans who died of cancer was 352,800, accounting for 18% of the national death toll. It is generally believed that cancer is mainly a senile disease, but children and young people also suffer from cancer. Cancer accounted for 18% of research costs in the United States in 1975, and cancer accounted for about 9% of total medical expenses. In 1972, cancer cost $17 billion. First, the various costs of cancer 1. The direct cost of cancer treatment The direct treatment cost of cancer patients refers to all the diagnosis