放射治疗(简称放疗)是利用放射线治疗恶性肿瘤的一种局部治疗手段。在妇科肿瘤领域中,放疗占有十分重要的地位,它与手术、化疗构成妇科恶性肿瘤的三大治疗手段。在子宫颈癌治疗中,放疗是主要的治疗方法。放疗在子宫内膜癌、阴道癌、外阴癌、少数类型卵巢癌等的治疗中也占有十分 Radiation therapy (referred to as radiotherapy) is the use of radiation therapy for malignant tumors of a local treatment. In the field of gynecologic oncology, radiotherapy occupies a very important position, it and surgery, chemotherapy constitute the three major treatment of gynecological malignancies. In the treatment of cervical cancer, radiotherapy is the main treatment. Radiotherapy in endometrial cancer, vaginal cancer, vulvar cancer, a small number of types of ovarian cancer treatment also has a very