A Phase II Study Evaluating Definitive Radiosurgical Decompression in Patients With High-Risk Spinal Metastases

Eligible patients must have: * Any pathologically proven solid tumor diagnosis not of central nervous system origin with radiographic or pathologic evidence of metastatic disease * Metastatic spine involvement documented by imaging * Involvement of maximum 3 contiguous vertebral bodies at the index site * Intact neurologic function, or only minor neurologic deficits with muscle strength greater or equal to 4 out of 5 with or without steroids * An evaluation by an radiation oncology and orthopedic spine/neurosurgery attending * ECOG Performance Status of 0-3 Patients are ineligible if they have: * An unstable spine defined as a Spinal Instability Neoplastic Score (SINS) greater than 12 * Had previous surgery or radiation to address the target spinal metastases * Radiosensitive tumors (e.g. small cell lung cancer, lymphoma, multiple myeloma, and germ-cell tumors)