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由于肺癌脑转移的老年患者的一般情况较差，往往不适宜手术治疗和难耐受多疗程的全身化疗，而其脑转移症状又严重影响患者的生活质量。故此，本研究采取分次少、时间短的快速放疗以期尽快缓解症状，对一般情况好的患者希望配合化疗来提高其生存期。 1 材料和方法 1.1 病人资料
Elderly patients with brain metastases from lung cancer are generally poor candidates for surgical treatment and systemic chemotherapy that is refractory to multiple courses of treatment, and their brain metastases can severely affect their quality of life. Therefore, this study to take less time, sub-fast radiotherapy in order to alleviate the symptoms as soon as possible, in general good hope that patients with chemotherapy to improve their survival. 1 Materials and Methods 1.1 Patient Information