Radiation InjuriesRadiotherapyBrachytherapyRadiotherapy DosageRadiation DosageRadiotherapy, ConformalDose-Response Relationship, RadiationRadiation, IonizingCombined Modality TherapyRadiotherapy, Intensity-ModulatedDose FractionationRadiation OncologyRadiation ToleranceRadiotherapy, AdjuvantRadiotherapy Planning, Computer-AssistedRadiationRadiotherapy, Computer-AssistedRadiation ProtectionRadiation PneumonitisRadiosurgeryTreatment OutcomeProstatic NeoplasmsIridium RadioisotopesRadiation MonitoringNeoplasm Recurrence, LocalRadiotherapy, High-EnergyRadiometryCranial IrradiationRadiotherapy, Image-GuidedRadiation-Sensitizing AgentsNeoplasms, Radiation-InducedParticle AcceleratorsNeoplasm StagingRetrospective StudiesMale Urogenital DiseasesBrain NeoplasmsChemoradiotherapyHead and Neck NeoplasmsRadiation Injuries, ExperimentalDisease-Free SurvivalOrgans at RiskRadiodermatitisSurvival AnalysisGamma RaysAndrogen AntagonistsFollow-Up StudiesSurvival RateCarcinoma, Squamous CellAdenocarcinomaChemotherapy, AdjuvantProstate-Specific AntigenRadiation-Protective AgentsCosmic RadiationAntineoplastic Combined Chemotherapy ProtocolsMastectomy, SegmentalTime FactorsPrognosisProstatectomyTomography, X-Ray ComputedCobalt RadioisotopesBreast NeoplasmsNeoplasmsActuarial AnalysisFour-Dimensional Computed TomographyBackground RadiationLymphatic IrradiationSEER ProgramTumor BurdenRadiobiologyIntraoperative CareBrain Stem NeoplasmsLung NeoplasmsCisplatinUterine Cervical NeoplasmsRectal NeoplasmsGlioblastomaHodgkin DiseaseRadiotherapy Setup ErrorsCerebellar NeoplasmsNeoplasms, Second PrimaryUltraviolet RaysDacarbazineRadiation EffectsKaplan-Meier EstimateAntineoplastic AgentsTreatment FailureSarcomaMastectomyPelvic NeoplasmsGlottisFluorouracilX-RaysNasopharyngeal NeoplasmsProton TherapyPhantoms, ImagingRelative Biological EffectivenessLinear Energy TransferRetinal NeoplasmsGliomaRetinoblastoma