Retreatment of brain tumors.
D000293:Adolescent; D000328:Adult; D001254:Astrocytoma / Q000532:radiotherapy*; D001932:Brain Neoplasms / Q000532:radiotherapy*; D002648:Child; D002675:Child, Preschool; D004806:Ependymoma / Q000532:radiotherapy*; D005910:Glioma / Q000532:radiotherapy*; D006801:Humans; D007223:Infant; D008527:Medulloblastoma / Q000532:radiotherapy*; D008875:Middle Aged; D011879:Radiotherapy Dosage