SRS is an effective therapy for the small and clear cut brain metastatic tumors. The tumor control rate could be over 80%, and can be improved by SRS plus whole brain irradiation.

• SRS是治疗小而边界清楚的脑转移瘤的有效手段,肿瘤控制率可达80%25 以上,SRS加全脑放疗可改善肿瘤控制率。