Salvage TherapyProstatectomyProstate-Specific AntigenProstatic NeoplasmsRadiation InjuriesRadiation DosageRadiotherapyRadiotherapy DosageRadiation, IonizingDose-Response Relationship, RadiationCombined Modality TherapyRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedLimb SalvageRadiation ToleranceRadiation OncologyDose FractionationRadiotherapy, AdjuvantRadiotherapy Planning, Computer-AssistedRadiationBrachytherapyRadiation ProtectionTreatment OutcomeRadiosurgeryRadiation PneumonitisRadiation MonitoringNeoplasm Recurrence, LocalRadiotherapy, Computer-AssistedRadiometryCranial IrradiationRadiotherapy, Image-GuidedBrain NeoplasmsRadiation-Sensitizing AgentsNeoplasms, Radiation-InducedRetrospective StudiesParticle AcceleratorsHead and Neck NeoplasmsNeoplasm StagingAntineoplastic Combined Chemotherapy ProtocolsRadiotherapy, High-EnergyRadiation Injuries, ExperimentalOrgans at RiskRadiodermatitisDisease-Free SurvivalSurvival AnalysisFollow-Up StudiesSurvival RateChemoradiotherapyGamma RaysTime FactorsCarcinoma, Squamous CellRadiation-Protective AgentsCosmic RadiationMastectomy, SegmentalPrognosisTomography, X-Ray ComputedChemotherapy, AdjuvantActuarial AnalysisBreast NeoplasmsHodgkin DiseaseCisplatinCobalt RadioisotopesLymphatic IrradiationNeoplasmsAdenocarcinomaFour-Dimensional Computed TomographyBackground RadiationLung NeoplasmsSarcomaTumor BurdenRadiobiologyAntineoplastic AgentsTreatment FailureDacarbazineBrain Stem NeoplasmsFluorouracilRectal NeoplasmsAndrogen AntagonistsGlioblastomaNeoplasms, Second PrimaryOperative Blood SalvagePelvic NeoplasmsKaplan-Meier EstimateRadiotherapy Setup ErrorsMechlorethamineCerebellar NeoplasmsMastectomyNasopharyngeal NeoplasmsUltraviolet RaysRadiation EffectsLaryngeal NeoplasmsGlottisX-RaysProcarbazineBone NeoplasmsVincristineProspective StudiesCarcinoma, Non-Small-Cell LungOrgan Sparing TreatmentsKarnofsky Performance Status