Radiation DosageRadiation ProtectionRadiography, InterventionalFluoroscopyBody BurdenSpiral Cone-Beam Computed TomographyRadiometryRadiation MonitoringX-Ray Intensifying ScreensRadiation InjuriesTomography, X-Ray ComputedRadiographic Image Interpretation, Computer-AssistedRadiographic Image EnhancementSignal-To-Noise RatioPhantoms, ImagingDose-Response Relationship, RadiationCardiologyRadiation, IonizingThermoluminescent DosimetryRadiotherapy DosageReproducibility of ResultsRadiation ToleranceNeoplasms, Radiation-InducedRadiationRelative Biological EffectivenessCesium RadioisotopesRadiotherapyGamma RaysRadiotherapy Planning, Computer-AssistedTreatment OutcomeNuclear WeaponsRadiotherapy, ConformalRadioactive Hazard ReleaseRadiation OncologyCosmic RadiationNuclear WarfareCombined Modality TherapyRadioisotopesRadioactive FalloutRadiotherapy, Intensity-ModulatedRadiation Injuries, ExperimentalDrug Administration ScheduleRadiation PneumonitisBackground RadiationFilm DosimetryRadioimmunotherapyRadiation-Protective AgentsMultidetector Computed TomographyAntineoplastic Combined Chemotherapy ProtocolsTime FactorsRadiology, InterventionalRadiography, ThoracicBrachytherapyYttrium RadioisotopesRadiography, AbdominalDose FractionationCone-Beam Computed TomographyWhole-Body CountingRadiation-Sensitizing AgentsIodine RadioisotopesTomography Scanners, X-Ray ComputedRetrospective StudiesCobalt RadioisotopesCardiac-Gated Imaging TechniquesAntineoplastic AgentsRadiation EffectsLeukemia, Radiation-InducedDose-Response Relationship, DrugTechnology, RadiologicNuclear MedicineX-RaysUkraineSoil Pollutants, RadioactiveBeta Particles