BrachytherapyRadiotherapy, ConformalRadiation InjuriesRadiotherapyRadiotherapy DosageProstatic NeoplasmsDose FractionationProstate-Specific AntigenCombined Modality TherapyRectumRadiotherapy, Intensity-ModulatedRectal DiseasesAndrogen AntagonistsProstatectomyRadiotherapy, AdjuvantTreatment OutcomeNeoplasm Recurrence, LocalRetrospective StudiesRadiation DosageDisease-Free SurvivalFollow-Up StudiesDose-Response Relationship, RadiationRadiotherapy Planning, Computer-AssistedNeoplasm StagingSurvival RateSurvival AnalysisPrognosisTime FactorsRadiotherapy, High-EnergyAdenocarcinomaRadiation, IonizingRadiation OncologyRadiometryRadiation ToleranceBrain NeoplasmsIodine RadioisotopesTomography, X-Ray ComputedThyroid NeoplasmsCarcinomaRadiosurgeryRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedRadiationMagnetic Resonance ImagingRadiation ProtectionParticle AcceleratorsOrgans at RiskIridium RadioisotopesRadiation PneumonitisRadiation MonitoringNeoplasms, Radiation-InducedChemotherapy, AdjuvantRadiation-Sensitizing AgentsChemoradiotherapyRadiobiologyCone-Beam Computed TomographyHead and Neck NeoplasmsCranial IrradiationFiducial MarkersKaplan-Meier EstimateMale Urogenital DiseasesCarcinoma, Squamous CellRadioisotope TeletherapyCobalt RadioisotopesPhotonsMastectomy, SegmentalPhantoms, ImagingRadiation Injuries, ExperimentalRadiodermatitisRetinoblastomaUltrasound, High-Intensity Focused, TransrectalAntineoplastic Combined Chemotherapy ProtocolsGamma RaysUterine Cervical NeoplasmsSalvage TherapyProton TherapyBreast NeoplasmsRadioisotopesTumor BurdenNeoplasms, Second PrimaryHeavy IonsRadioimmunotherapyEye EnucleationRadiation-Protective AgentsCosmic RadiationCisplatinRetinal NeoplasmsSpinal NeoplasmsNeoplasmsFour-Dimensional Computed TomographyIntraoperative CareRectal NeoplasmsEye NeoplasmsRelative Biological EffectivenessSarcomaUrogenital SystemLinear Energy TransferFluorouracilX-RaysPalliative Care