Dose FractionationRadiation InjuriesRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedRadiosurgeryRadiotherapy DosageRadiotherapy Planning, Computer-AssistedRadiotherapyDose-Response Relationship, RadiationRadiation DosageRadiotherapy, Image-GuidedRadiation PneumonitisRadiotherapy, Computer-AssistedCombined Modality TherapyRadiotherapy, AdjuvantRadiation OncologyProton TherapyRadiation, IonizingRadiodermatitisTumor BurdenLymphatic IrradiationBrain NeoplasmsRadiation ToleranceChemoradiotherapyTreatment OutcomeAmifostineRelative Biological EffectivenessRadiometry