Stereotactic Body Radiation Therapy for Spinal Metastases in Favorite Tumors
Stereotactic Body Radiation Therapy(SBRT) for spinal metastases has been proved a good results in pain relieve and local control, However,the longterm of efficacy and safety of this regimen is unclear.The purpose of the study is to evaluate the longterm outcome of this therapeutic regimen in selective patients who will be survival more than 2 years.