Radiotherapy DosageRadiotherapyRadiotherapy, AdjuvantRadiotherapy, ConformalRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyCombined Modality TherapyDose FractionationRadiation InjuriesRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedTreatment OutcomeRadiation OncologyDose-Response Relationship, RadiationRadiosurgeryHead and Neck NeoplasmsNeoplasm Recurrence, LocalBrachytherapyNeoplasm StagingGene DosageRadiation DosageAntineoplastic Combined Chemotherapy ProtocolsDosage Compensation, GeneticChemoradiotherapyRadiometryBrain NeoplasmsDisease-Free SurvivalCarcinoma, Squamous CellRetrospective StudiesNasopharyngeal NeoplasmsOrgans at RiskRadiation ToleranceSurvival RateLung NeoplasmsFollow-Up StudiesSurvival AnalysisRadiation-Sensitizing AgentsTime FactorsDosage FormsCisplatinDrug Administration ScheduleRectal NeoplasmsChemotherapy, AdjuvantPrognosisCranial IrradiationParticle AcceleratorsProstatic NeoplasmsRadiation PneumonitisNeoplasmsAntineoplastic AgentsBreast NeoplasmsNeoplasms, Radiation-InducedTomography, X-Ray ComputedPelvic NeoplasmsHodgkin DiseaseVincristineMastectomy, SegmentalLaryngeal NeoplasmsFluorouracilRadiodermatitisHeavy Ion RadiotherapyDacarbazineNeoplasms, Second PrimaryOrgan Sparing TreatmentsProcarbazineXerostomiaNeoadjuvant TherapyRadioisotope TeletherapyCobalt RadioisotopesAdenocarcinomaAdministration, OralProspective StudiesSpinal NeoplasmsCarcinoma, Non-Small-Cell LungPalliative CareRadiation-Protective AgentsLymphatic IrradiationCarcinomaDoxorubicinMechlorethamineUterine Cervical NeoplasmsCyclophosphamideGlioblastomaAntineoplastic Agents, AlkylatingIridium RadioisotopesSalvage TherapyKaplan-Meier EstimateBleomycinGliomaFeasibility StudiesTumor BurdenPelvisVinblastineEsophageal NeoplasmsMastectomyThoracic NeoplasmsLymphatic MetastasisOsteoradionecrosisPrednisone