Radiotherapy, AdjuvantRadiotherapyRadiotherapy DosageCombined Modality TherapyChemotherapy, AdjuvantNeoplasm Recurrence, LocalRadiotherapy, ConformalRadiotherapy, High-EnergyAdjuvants, ImmunologicNeoplasm StagingTreatment OutcomeMastectomy, SegmentalRadiation InjuriesDisease-Free SurvivalBreast NeoplasmsRadiotherapy, Intensity-ModulatedSurvival RateRadiotherapy Planning, Computer-AssistedRetrospective StudiesRadiodermatitisFollow-Up StudiesPrognosisRectal NeoplasmsDose-Response Relationship, RadiationSurvival AnalysisDose FractionationMastectomyEpendymomaWhole-Body IrradiationAntineoplastic Combined Chemotherapy ProtocolsPetrolatumSeminomaFreund's AdjuvantLaryngectomyCarcinoma, Squamous CellSarcomaHead and Neck NeoplasmsSpinal Cord NeoplasmsRadiotherapy, Image-GuidedRadiotherapy, Computer-AssistedThymomaThymus NeoplasmsBrain NeoplasmsThoracic WallLymphatic MetastasisNeoplasms, Second PrimaryCarcinoma, Intraductal, NoninfiltratingLymph Node ExcisionTime FactorsSEER ProgramAdenocarcinomaEndometrial NeoplasmsUltraviolet RaysBleomycinProstatectomySoft Tissue NeoplasmsBrachytherapyRadiation ToleranceRadiation OncologyTesticular NeoplasmsKaplan-Meier EstimateGamma RaysRadiation DosageDoxorubicinAntineoplastic AgentsRadiosurgeryTomography, X-Ray ComputedProspective StudiesAdjuvants, PharmaceuticLymphatic IrradiationRadiation-Protective AgentsProportional Hazards ModelsMultivariate AnalysisRadiation-Sensitizing AgentsNeoplasm InvasivenessChemoradiotherapyNeoplasm MetastasisLung NeoplasmsRecurrenceRandomized Controlled Trials as TopicRadiation Injuries, ExperimentalFluorouracilCisplatinNasopharyngeal NeoplasmsFood IrradiationParticle AcceleratorsCobalt RadioisotopesOrgans at RiskRisk FactorsNeoplasms, Radiation-InducedRadiation PneumonitisRadiometryHeavy IonsCyclophosphamideX-RaysVincristineCohort StudiesProstatic NeoplasmsNeoadjuvant TherapyCranial Irradiation