RadiotherapyRadiotherapy DosageRadiotherapy, ConformalRadiotherapy, AdjuvantPositron-Emission TomographyRadiotherapy, Intensity-ModulatedRadiotherapy Planning, Computer-AssistedRadiotherapy, High-EnergyCombined Modality TherapyTomography, Emission-ComputedFluorodeoxyglucose F18Dose FractionationRadiation InjuriesRadiopharmaceuticalsRadiotherapy, Image-GuidedRadiotherapy, Computer-AssistedRadiation OncologyTreatment OutcomeNeoplasm StagingTomography, X-Ray ComputedNeoplasm Recurrence, LocalHead and Neck NeoplasmsRadiosurgeryDose-Response Relationship, RadiationBrachytherapyChemoradiotherapyMultimodal ImagingBrain NeoplasmsAntineoplastic Combined Chemotherapy ProtocolsLung NeoplasmsCarcinoma, Squamous CellDisease-Free SurvivalRetrospective StudiesNasopharyngeal NeoplasmsOxygen RadioisotopesSurvival RateCarbon RadioisotopesFollow-Up StudiesRadiation TolerancePrognosisSurvival AnalysisRadiation-Sensitizing AgentsOrgans at RiskRectal NeoplasmsChemotherapy, AdjuvantCisplatinRadiometryHodgkin DiseaseParticle AcceleratorsRadiation DosageMagnetic Resonance ImagingCranial IrradiationProstatic NeoplasmsRadiation PneumonitisBreast NeoplasmsPelvic NeoplasmsNeoplasmsBrainTime FactorsVincristineLaryngeal NeoplasmsNitrogen RadioisotopesMastectomy, SegmentalNeoadjuvant TherapyNeoplasms, Second PrimaryDacarbazineAntineoplastic AgentsRadiodermatitisCopper RadioisotopesHeavy Ion RadiotherapyNeoplasms, Radiation-InducedCarcinoma, Non-Small-Cell LungFluorouracilLymphatic MetastasisOrgan Sparing TreatmentsAdenocarcinomaXerostomiaProcarbazineProspective StudiesRadioisotopesLymphatic IrradiationRadioisotope TeletherapySpinal NeoplasmsCobalt RadioisotopesCarcinomaUterine Cervical NeoplasmsGliomaTumor BurdenEsophageal NeoplasmsGlioblastomaPalliative CareDeoxyglucoseSalvage TherapySensitivity and SpecificityFeasibility StudiesRacloprideGallium RadioisotopesKaplan-Meier EstimateMechlorethamineThoracic Neoplasms