title: Cranial irradiation is not necessary for central-nervous-system prophylaxis in pediatric non-Hodgkin's lymphoma.
mesh_terms: D001921:Brain / Q000528:radiation effects*; D001932:Brain Neoplasms / Q000517:prevention & control*; D002648:Child; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology* / Q000628:therapy; D008577:Meningeal Neoplasms / Q000517:prevention & control*