6. Toxicity according to NCI CTCAE (Time Frame - 10 years): Acute/late toxicity according to CTCAEv4.03, June 14,2010
Secondary outcome:
1. EORTC-QLQ-C30 (Time Frame - Through study completion, at 3, 5, and 10 years): Patient-reported quality of life
2. EORTC-QLQ-BN20 (Time Frame - Through study completion, at 3, 5, and 10 years): Patient-reported quality of life for brain cancer patients
3. EORTC-QLQ-PR25 (Time Frame - Through study completion, at 3, 5, and 10 years): Patient-reported quality of life for prostate cancer patients
4. Neurocognitive test battery (Time Frame - Through study completion, at 3, 5, and 10 years): Change in cognition from baseline to endpoint as measured by standardized subtests of test battery