Radiation PneumonitisRadiotherapy, ConformalDose-Response Relationship, RadiationAntineoplastic Combined Chemotherapy ProtocolsLung NeoplasmsRadiotherapy DosageRadiation DosageRadiation InjuriesAlveolitis, Extrinsic AllergicKrypton RadioisotopesDose FractionationCryptogenic Organizing PneumoniaRadiotherapyCarcinoma, Non-Small-Cell LungRadiation Injuries, ExperimentalCombined Modality TherapyPneumoniaLungRadiotherapy, High-EnergyRadiosurgeryChemotherapy, AdjuvantRadiography, ThoracicRadiation, IonizingRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedTomography, X-Ray ComputedTreatment OutcomeLung Diseases, InterstitialRadiation ToleranceRadiationAntineoplastic AgentsCisplatinFollow-Up StudiesRadiation ProtectionCyclophosphamideRadiation MonitoringRetrospective StudiesTime Factors