随着科学的发展,肿瘤早期诊断率的提高,放射设备的更新及放疗技术的改进,放射治疗效果不断提高,长期存活的患者逐年增多,随之而来与治疗相关的各种远期并发症日益突出,尤其放射诱发恶性肿瘤明显增多,越来越受到人们的关注。现对放射 With the development of science, the early diagnosis of cancer, the improvement of radiation equipment and the improvement of radiotherapy technology, the continuous improvement of radiotherapy and the increasing number of long-term survival patients, followed by various long-term complications related to treatment Increasingly prominent, especially the radiation-induced malignant tumors increased significantly, more and more people’s attention. Now on the radiation