Radiotherapy, AdjuvantRadiotherapyRadiotherapy DosageRadiotherapy, ConformalCombined Modality TherapyRadiotherapy, High-EnergyRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedChemotherapy, AdjuvantRadiation InjuriesNeoplasm Recurrence, LocalTreatment OutcomeDose FractionationNeoplasm StagingRadiotherapy, Computer-AssistedComputersRadiotherapy, Image-GuidedMastectomy, SegmentalDisease-Free SurvivalSurvival RateRetrospective StudiesBreast NeoplasmsAdjuvants, ImmunologicHead and Neck NeoplasmsFollow-Up StudiesRadiation OncologyAntineoplastic Combined Chemotherapy ProtocolsRectal NeoplasmsPrognosisSurvival AnalysisRadiodermatitisCarcinoma, Squamous CellRadiosurgeryBrain NeoplasmsBrachytherapyDose-Response Relationship, RadiationMastectomyChemoradiotherapyLaryngectomyEpendymomaSarcomaNasopharyngeal NeoplasmsNeoplasms, Second PrimarySeminomaRadiation ToleranceLymphatic MetastasisOrgans at RiskAdenocarcinomaTime FactorsSpinal Cord NeoplasmsLung NeoplasmsPetrolatumTomography, X-Ray ComputedRadiation-Sensitizing AgentsCisplatinBleomycinAntineoplastic AgentsThymomaParticle AcceleratorsThymus NeoplasmsCranial IrradiationKaplan-Meier EstimateFreund's AdjuvantLymph Node ExcisionThoracic WallProstatectomyRadiometryProstatic NeoplasmsFluorouracilDoxorubicinRadiation DosageSoft Tissue NeoplasmsComputer SimulationSEER ProgramRadiation PneumonitisProspective StudiesCarcinoma, Intraductal, NoninfiltratingPelvic NeoplasmsTesticular NeoplasmsEndometrial NeoplasmsLaryngeal NeoplasmsVincristineHodgkin DiseaseNeoadjuvant TherapyDacarbazineNeoplasms, Radiation-InducedHeavy Ion RadiotherapyOrgan Sparing TreatmentsProportional Hazards ModelsNeoplasmsProcarbazineNeoplasm MetastasisXerostomiaMultivariate AnalysisRadioisotope TeletherapySpinal NeoplasmsCarcinoma, Non-Small-Cell LungNeoplasm InvasivenessPalliative CareRandomized Controlled Trials as Topic