title: Proton beam therapy.
mesh_terms: D000293:Adolescent; D002528:Cerebellar Neoplasms / Q000532:radiotherapy*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008527:Medulloblastoma / Q000532:radiotherapy*; D061766:Proton Therapy / Q000009:adverse effects / Q000379:methods*; D055815:Young Adult
keywords: Medulloblastoma; Proton