ProtonsRadiation InjuriesRadiation DosageRadiotherapyRadiotherapy DosageRadiation, IonizingProton PumpsDose-Response Relationship, RadiationRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedCombined Modality TherapyRadiation ToleranceRadiation OncologyRadiotherapy Planning, Computer-AssistedDose FractionationRadiotherapy, AdjuvantRadiationBrachytherapyRadiation ProtectionRadiation PneumonitisRadiosurgeryRadiation MonitoringRadiometryRadiotherapy, Computer-AssistedTreatment OutcomeCranial IrradiationRadiotherapy, Image-GuidedParticle AcceleratorsProton Pump InhibitorsNeoplasm Recurrence, LocalNeoplasms, Radiation-InducedRadiation-Sensitizing AgentsBrain NeoplasmsOrgans at RiskRadiotherapy, High-EnergyRadiation Injuries, ExperimentalHead and Neck NeoplasmsNeoplasm StagingRadiodermatitisGamma RaysProstatic NeoplasmsRetrospective StudiesCosmic RadiationChemoradiotherapyMagnetic Resonance SpectroscopyRadiation-Protective AgentsAntineoplastic Combined Chemotherapy ProtocolsSurvival AnalysisDisease-Free SurvivalCarcinoma, Squamous CellMastectomy, SegmentalSurvival RateTomography, X-Ray ComputedFollow-Up StudiesTime FactorsCobalt RadioisotopesChemotherapy, AdjuvantBreast NeoplasmsFour-Dimensional Computed TomographyNeoplasmsHydrogen-Ion ConcentrationAdenocarcinomaActuarial AnalysisBackground RadiationLymphatic IrradiationRadiobiologyPrognosisTumor BurdenLung NeoplasmsBrain Stem NeoplasmsCisplatinRadiotherapy Setup ErrorsGlioblastomaRelative Biological EffectivenessCerebellar NeoplasmsRectal NeoplasmsUltraviolet RaysHodgkin DiseaseNeoplasms, Second PrimaryPhotonsPhantoms, ImagingDacarbazineAntineoplastic AgentsLinear Energy TransferX-RaysRadiation EffectsProton-Motive ForceSarcomaMastectomyMagnetic Resonance ImagingPelvic NeoplasmsFluorouracilGlottisProstate-Specific AntigenNasopharyngeal NeoplasmsAndrogen AntagonistsGliomaProton TherapyCarcinoma, Non-Small-Cell LungMechlorethamine