Proton and Photon Consortium Registry (PPCR): A Multi Center Registry of Pediatric Patients Treated With Radiation Therapy

Eligibility Criteria: 1. Patients treated with radiation therapy at one of the participating centers 2. Age < 22 at time of treatment start.Age 3. Patients may be enrolled regardless of previous local or systemic treatments received prior to enrollment in the PPCR. 4. Patients may be enrolled regardless of other current local or systemic treatments or disease extent. 5. Patients may be enrolled on the PPCR concurrently with another study or clinical trial.