Radiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationRadiation MonitoringRadiation ProtectionRadiation OncologyRadiation Injuries, ExperimentalRadiometryCosmic RadiationRadiotherapy DosageGamma RaysNeoplasms, Radiation-InducedRadiation PneumonitisRadiotherapyBackground RadiationUltraviolet RaysCombined Modality TherapyRadiation EffectsDose FractionationRadiation-Sensitizing AgentsTime FactorsRadiation-Protective AgentsRadiotherapy Planning, Computer-AssistedTreatment OutcomeBrachytherapyDose-Response Relationship, DrugCobalt RadioisotopesX-RaysAcute Radiation SyndromeRadiotherapy, Intensity-ModulatedRadiobiologyRadioactive Hazard ReleaseDrug Administration ScheduleRadiotherapy, ConformalBody BurdenRelative Biological EffectivenessAdministration, OralDNA DamageLethal Dose 50Radiation Hybrid MappingThermoluminescent DosimetryLinear Energy TransferCesium RadioisotopesNuclear WarfareNeoplasmsRadiodermatitisLeukemia, Radiation-InducedRadiotherapy, AdjuvantWhole-Body IrradiationRadiation GeneticsCell SurvivalAntineoplastic AgentsTomography, X-Ray ComputedDouble-Blind MethodFluoroscopySynchrotronsNuclear WeaponsRadiosurgeryParticle AcceleratorsRadioisotopesRadiation, NonionizingBrain NeoplasmsDNA RepairBeta ParticlesInjections, IntravenousAntineoplastic Combined Chemotherapy ProtocolsIridium RadioisotopesPhantoms, ImagingRadiotherapy, High-EnergyAbnormalities, Radiation-InducedElectromagnetic RadiationRadioactive FalloutRetrospective StudiesTechnology, RadiologicSunlightRadiographyFilm DosimetryOrgans at RiskHead and Neck NeoplasmsApoptosisRats, Sprague-DawleySolar ActivityFollow-Up StudiesChernobyl Nuclear AccidentRadiotherapy, Computer-AssistedInfusions, IntravenousCell Line, TumorSkinRadiotherapy, Image-GuidedWhole-Body CountingNeoplasm Recurrence, LocalRadiography, InterventionalHeavy IonsBreast NeoplasmsSurvival AnalysisIodine RadioisotopesCranial Irradiation