Radiation InjuriesRadiation DosageRadiotherapyRadiotherapy DosageRadiation, IonizingDose-Response Relationship, RadiationCombined Modality TherapyRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedRadiation ToleranceRadiation OncologyDose FractionationRadiotherapy, AdjuvantRadiotherapy Planning, Computer-AssistedRadiationTreatment OutcomeBrachytherapyRadiation ProtectionRadiosurgeryRadiation PneumonitisRadiation MonitoringRetrospective StudiesNeoplasm Recurrence, LocalRadiotherapy, Computer-AssistedRadiometryCranial IrradiationRadiotherapy, Image-GuidedBrain NeoplasmsRadiation-Sensitizing AgentsNeoplasms, Radiation-InducedParticle AcceleratorsNeoplasm StagingFollow-Up StudiesHead and Neck NeoplasmsRadiotherapy, High-EnergyRadiation Injuries, ExperimentalTime FactorsOrgans at RiskRadiodermatitisSurvival AnalysisPostoperative ComplicationsTomography, X-Ray ComputedProstatic NeoplasmsGamma RaysSurvival RateMastectomy, SegmentalChemoradiotherapyDisease-Free SurvivalAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Squamous CellChemotherapy, AdjuvantPrognosisRadiation-Protective AgentsBreast NeoplasmsCosmic RadiationProspective StudiesBariatric SurgeryAdenocarcinomaCobalt RadioisotopesNeoplasmsActuarial AnalysisPostoperative CareLung NeoplasmsRectal NeoplasmsFour-Dimensional Computed TomographyBackground RadiationLymphatic IrradiationCisplatinTumor BurdenMastectomyGeneral SurgeryPostoperative PeriodRadiobiologyPreoperative CareBrain Stem NeoplasmsIntraoperative CareGlioblastomaSarcomaFluorouracilPelvic NeoplasmsAntineoplastic AgentsCerebellar NeoplasmsThoracic SurgeryNeoplasms, Second PrimaryGlottisIntraoperative PeriodHodgkin DiseaseDacarbazineRadiotherapy Setup ErrorsMagnetic Resonance ImagingUltraviolet RaysRadiation EffectsProstate-Specific AntigenSpinal NeoplasmsFeasibility StudiesKaplan-Meier EstimateRisk FactorsNasopharyngeal NeoplasmsCardiac Surgical ProceduresNeoadjuvant Therapy