Radiation OncologyBrachytherapyRadiotherapy, ConformalRadiation InjuriesRadiotherapyRadiotherapy DosageProstatic NeoplasmsDose FractionationCombined Modality TherapyRadiotherapy, Intensity-ModulatedProstate-Specific AntigenRadiologyTreatment OutcomeRectumMedical OncologyRadiotherapy, AdjuvantRectal DiseasesAndrogen AntagonistsNeoplasm Recurrence, LocalProstatectomyRadiation DosageRetrospective StudiesSocieties, MedicalRadiotherapy Planning, Computer-AssistedDose-Response Relationship, RadiationDisease-Free SurvivalHealth PhysicsFollow-Up StudiesNeoplasm StagingRadiology Department, HospitalSurvival RateRadiotherapy, High-EnergyRadiation, IonizingPrognosisSurvival AnalysisRadiotherapy, Computer-AssistedTime FactorsOncology NursingNeoplasmsRadiation ToleranceRadiobiologyRadiology, InterventionalAdenocarcinomaCancer Care FacilitiesRadiotherapy, Image-GuidedTomography, X-Ray ComputedBrain NeoplasmsRadiation ProtectionRadiationRadiosurgeryRadiometryRadiation MonitoringUnited StatesIodine RadioisotopesSocieties, ScientificChemoradiotherapyOncology Service, HospitalCarcinomaAfrican AmericansBreast NeoplasmsThyroid NeoplasmsHead and Neck NeoplasmsRadiation PneumonitisNeoplasms, Radiation-InducedMagnetic Resonance ImagingChemotherapy, AdjuvantAntineoplastic Combined Chemotherapy ProtocolsQuality Assurance, Health CareParticle AcceleratorsRadiation-Sensitizing AgentsPractice Guidelines as TopicOrgans at RiskAntineoplastic AgentsRadiation Injuries, ExperimentalIridium RadioisotopesGamma RaysCosmic RadiationCranial IrradiationCongresses as TopicKaplan-Meier EstimatePositron-Emission TomographySocietiesSocieties, NursingClinical Trials as TopicHematologyCone-Beam Computed TomographyPhysician's Practice PatternsPalliative CareQuestionnairesCobalt RadioisotopesCarcinoma, Squamous CellCisplatinRadiographyProspective StudiesAccreditationJapanRadiodermatitisRadiation-Protective AgentsForecastingPhantoms, Imaging