在放射治疗中,主要的变量是照射次数、每次剂量、总剂量和总的治疗时间。放射治疗学家力图用综合治疗方法使肿瘤得到最大限度的控制,而对正常组织的损伤很小。在英国,每个中心所用的有效治疗方案都是根据临床经验、实际情况和当地习惯制定的。几乎所有治 In radiation therapy, the main variables are the number of irradiations, each dose, total dose, and total treatment time. Radiotherapists try to achieve maximum control of the tumor with a combination of therapies, with minimal damage to normal tissue. In the United Kingdom, the effective treatment options used in each centre are based on clinical experience, actual conditions and local customs. Almost all cures