Monitoring/Follow-Up Procedures. Procedures performed to evaluate the effectiveness and safety of the experimental procedures are called "monitoring" or "follow-up" procedures. For this research study, the monitoring/follow-up procedures include: Clinical assessment including neurological and performance status assessments and blood tests for your chemotherapy will be performed every month for the first year and every three months thereafter. MRI scans one month after completion of radiation therapy and every 2 months thereafter. All these procedures are performed routinely in the management of your tumor