Nuclear WarfareDose-Response Relationship, RadiationRadiation InjuriesRadiation DosageRadiation EffectsNeoplasms, Radiation-InducedRadiation, IonizingRadiation Injuries, ExperimentalGamma RaysRadiation GeneticsNuclear WeaponsRadiation-Sensitizing AgentsRadiotherapyRadiation-Protective AgentsRadiation ToleranceBystander EffectX-RaysSurvivalJapanRadiationRadiation ProtectionRadiation MonitoringTime FactorsRadiation OncologyCosmic RadiationRadiation PneumonitisBackground RadiationRadiometryRadiotherapy DosageUltraviolet RaysCombined Modality TherapyAcute Radiation SyndromeRadioactive Hazard ReleaseCobalt RadioisotopesRadiobiologyRadiotherapy, ConformalRadiation Hybrid MappingDose FractionationRadiotherapy, Intensity-ModulatedBrachytherapyDNA DamageLinear Energy TransferRadiodermatitisRadiotherapy Planning, Computer-AssistedRadiotherapy, AdjuvantLeukemia, Radiation-InducedBody BurdenSynchrotronsRadiation, NonionizingRelative Biological EffectivenessElectromagnetic RadiationParticle AcceleratorsCesium RadioisotopesFluoroscopyAbnormalities, Radiation-InducedWhole-Body IrradiationSunlightThermoluminescent DosimetryBeta ParticlesDNA RepairTechnology, RadiologicRadiographyRadiosurgeryBrain NeoplasmsRadioactive FalloutSolar ActivityTomography, X-Ray ComputedTreatment OutcomeRadiotherapy, High-EnergyChernobyl Nuclear AccidentCell SurvivalHead and Neck NeoplasmsNeoplasmsCranial IrradiationHeavy IonsInfrared RaysFilm DosimetryRadiography, InterventionalRadiotherapy, Computer-AssistedRadioisotopesHealth PhysicsChemoradiotherapyScattering, RadiationNuclear ReactorsCobalt IsotopesNeoplasm Recurrence, LocalPhantoms, ImagingUkraineCarcinoma, Squamous CellRetrospective StudiesRadioactive PollutantsCell Line, TumorWhole-Body CountingRadiotherapy, Image-GuidedBreast NeoplasmsApoptosisOrgans at RiskNeoplasm StagingAlpha ParticlesNuclear Medicine