恶性肿瘤的综合治疗开始在上世纪50年代。这是因为经过20世纪前50年的治疗探索,肿瘤医师们发现,手术或深部X线的单一治疗手段难以有效控制肿瘤。1956年60Co治疗机的出现,使放疗进入高能射线时代,3cm以上实体瘤的放疗治愈率提高,肿瘤周边正常组织及皮下组织受量的下降,使得晚期? The comprehensive treatment of malignant tumors began in the 1950s. This is because after 50 years of therapeutic exploration in the 20th century, oncologists found that the single treatment of surgery or deep X-ray is difficult to effectively control the tumor. The emergence of 60Co treatment machine in 1956, radiotherapy into the era of high-energy rays, solid tumors of more than 3cm radiation therapy to improve the rate of tumor surrounding normal tissue and subcutaneous tissue by the amount of decline, making the late?