Radiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationRadiation ProtectionRadiation MonitoringRadiation OncologyRadiotherapy DosageCone-Beam Computed TomographyRadiotherapyCosmic RadiationParticle AcceleratorsRadiation Injuries, ExperimentalRadiotherapy Planning, Computer-AssistedHeavy IonsRadiation PneumonitisGamma RaysNeoplasms, Radiation-InducedRadiotherapy, ConformalBackground RadiationLinear Energy TransferRadiotherapy, Intensity-ModulatedBrachytherapyX-RaysRadiometryCombined Modality TherapyRelative Biological EffectivenessUltraviolet RaysRadiation EffectsRadiotherapy, High-EnergyPhantoms, ImagingProton TherapySynchrotronsRadiobiologyRadiation-Sensitizing AgentsDose FractionationRadiation-Protective AgentsThermoluminescent DosimetryAcute Radiation SyndromePhotonsCobalt RadioisotopesEquipment DesignRadioactive Hazard ReleaseRadiotherapy, Computer-AssistedRadiodermatitisRadiation Hybrid MappingScattering, RadiationTomography, X-Ray ComputedFilm DosimetryBody BurdenOrgans at RiskRadiotherapy, AdjuvantDNA DamageEquipment Failure AnalysisRadiosurgeryRadiotherapy, Image-GuidedHeavy Ion RadiotherapyElectromagnetic RadiationLasersTime FactorsTechnology, RadiologicRadiographic Image EnhancementRadiographyMonte Carlo MethodFluoroscopyCesium RadioisotopesTreatment OutcomeRadiation GeneticsLeukemia, Radiation-InducedScintillation CountingNuclear WarfareRadiation, NonionizingRadiography, DentalTransducersProtonsBeta ParticlesImaging, Three-DimensionalFour-Dimensional Computed TomographyWhole-Body IrradiationAbnormalities, Radiation-InducedBrain NeoplasmsDNA RepairReproducibility of ResultsNeutronsSunlightHead and Neck NeoplasmsInfrared RaysNeoplasmsElectronsRetrospective StudiesCell SurvivalFiducial MarkersNuclear WeaponsNeoplasm Recurrence, LocalComputer-Aided DesignRadioisotopesRadiography, InterventionalChemoradiotherapy