Inclusion Criteria:  Histology or cytology proven cancer  Referred for palliative radiotherapy of the cervical or thoracic vertebra for  epidural ingrowth metastatic spinal cord compression metastatic spinal nerve root compression post-operative radiotherapy after decompressive surgery for spinal cord or nerve root compression Ability to understand and the willingness to sign a written informed consent document Referred for the following dose prescriptions 5 Gy x 5, 5 Gy x 4, 3 Gy x 10, 10 Gy x 1, 8 Gy x 1. ≥ 18 years old.  Exclusion Criteria:  - Referred for > 10 fractions