AmifostineRadiation-Protective AgentsRadiotherapyRadiotherapy DosageMercaptoethylaminesRadiotherapy, ConformalRadiotherapy, AdjuvantRadiation InjuriesCombined Modality TherapyRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyDose FractionationRadiotherapy, Computer-AssistedRadiotherapy, Image-GuidedXerostomiaHead and Neck NeoplasmsTreatment OutcomeRadiation OncologyAntineoplastic Combined Chemotherapy ProtocolsCisplatinRadiosurgeryOrgans at RiskStomatitisDose-Response Relationship, RadiationBrachytherapyCarcinoma, Squamous CellRadiation Injuries, ExperimentalNeoplasm Recurrence, LocalRadiation ToleranceNeoplasm StagingChemoradiotherapyDisease-Free SurvivalRadiation DosageLung NeoplasmsSurvival RateNasopharyngeal NeoplasmsAntineoplastic AgentsCytoprotectionBrain NeoplasmsCarboplatinRetrospective StudiesTesticular DiseasesSamariumMicroradiographyRadiation-Sensitizing AgentsSurvival AnalysisNeoplasmsThoracic Neoplasms