AstrocytomaBrain NeoplasmsGlioblastomaGliomaNimustineOligodendrogliomaSupratentorial NeoplasmsDacarbazineAntineoplastic Agents, AlkylatingOptic Nerve NeoplasmsBrain Stem NeoplasmsGliosarcomaNeoplasm Recurrence, LocalKarnofsky Performance StatusLomustineChromosomes, Human, Pair 10Magnetic Resonance ImagingCarmustineCombined Modality TherapySurvival AnalysisProcarbazineAntineoplastic AgentsDisease ProgressionTumor Markers, BiologicalPoetry as TopicPrognosisBrain ChemistryElectromagnetic FieldsSurvival RateImmunohistochemistryFuneral RitesLiterature, ModernAntineoplastic Combined Chemotherapy ProtocolsHypothalamic NeoplasmsTreatment OutcomeNeoplasmsBrain InjuriesRetrospective StudiesCell Line, TumorElectricityTomography, X-Ray ComputedBrainDrug Administration ScheduleGene Expression Regulation, NeoplasticEarly Detection of CancerRadiation, NonionizingOccupational ExposureNeoplasms, Radiation-InducedMedulloblastomaKetogenic Diet