Combined Modality TherapyMechlorethamineRadiotherapyProcarbazineRadiotherapy DosageRadiation InjuriesRadiation DosageHodgkin DiseaseRadiotherapy, AdjuvantRadiation, IonizingDose-Response Relationship, RadiationAntineoplastic Combined Chemotherapy ProtocolsLomustineRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedVincristineRadiation ToleranceActuarial AnalysisRadiation OncologyDose FractionationNeoplasm StagingTreatment OutcomeRadiotherapy Planning, Computer-AssistedPrednisoneRadiationSurvival AnalysisLung NeoplasmsBrachytherapyRadiation ProtectionSurvival RateRadiosurgeryDisease-Free SurvivalChemotherapy, AdjuvantPrognosisRadiation PneumonitisCarcinoma, Small CellCisplatinRadiation MonitoringAdenocarcinomaFollow-Up StudiesRadiotherapy, Computer-AssistedRadiometryCyclophosphamideCranial IrradiationDoxorubicinFluorouracilRadiotherapy, Image-GuidedNeoplasm Recurrence, LocalRadiation-Sensitizing AgentsCarcinoma, Non-Small-Cell LungBrain NeoplasmsNeoplasms, Radiation-InducedClinical Trials as TopicParticle AcceleratorsHead and Neck NeoplasmsRadiotherapy, High-EnergyRadiation Injuries, ExperimentalOrgans at RiskRadiodermatitisRetrospective StudiesProstatic NeoplasmsGamma RaysTomography, X-Ray ComputedChemoradiotherapyCarcinoma, Squamous CellRadiation-Protective AgentsCosmic RadiationMastectomy, SegmentalTime FactorsBreast NeoplasmsNeoplasmsCobalt RadioisotopesFour-Dimensional Computed TomographyBackground RadiationLymphatic IrradiationTumor BurdenRadiobiologyMagnetic Resonance ImagingBrain Stem NeoplasmsAntineoplastic AgentsRectal NeoplasmsGlioblastomaNeoplasms, Second PrimarySarcomaDacarbazineCerebellar NeoplasmsPelvic NeoplasmsRadiotherapy Setup ErrorsUltraviolet RaysMastectomyRadiation EffectsNasopharyngeal NeoplasmsX-RaysProstate-Specific AntigenPhantoms, ImagingAndrogen AntagonistsGlottisProton TherapyGliomaPositron-Emission Tomography