ChemoradiotherapyEsophageal NeoplasmsCombined Modality TherapyCarcinoma, Squamous CellRadiotherapy DosageCisplatinFluorouracilChemoradiotherapy, AdjuvantTreatment OutcomeSurvival RateRetrospective StudiesRadiotherapy, AdjuvantNeoadjuvant TherapyRectal NeoplasmsChemotherapy, AdjuvantAntineoplastic Combined Chemotherapy ProtocolsNeoplasm StagingHead and Neck NeoplasmsEsophagectomyRadiotherapyDisease-Free SurvivalSurvival AnalysisAdenocarcinomaDose FractionationNeoplasm Recurrence, LocalNasopharyngeal NeoplasmsInduction ChemotherapyPreoperative CareFollow-Up StudiesPrognosisDeoxycytidineKaplan-Meier EstimateOrgan Sparing TreatmentsHypopharyngeal NeoplasmsAntimetabolites, AntineoplasticLung NeoplasmsPostoperative ComplicationsLaryngeal NeoplasmsDigestive System Surgical ProceduresAntineoplastic AgentsDeglutition DisordersDrug Administration ScheduleRadiation InjuriesCarboplatinTime FactorsRadiotherapy, ConformalOropharyngeal NeoplasmsPositron-Emission TomographyCarcinoma, Non-Small-Cell LungPostoperative CareProspective StudiesMucositisTaxoidsPaclitaxelPostoperative PeriodFluorodeoxyglucose F18BrachytherapyBariatric SurgeryRadiation-Sensitizing AgentsTomography, X-Ray ComputedHydroxyureaRemission InductionGastrectomyFeasibility StudiesUterine Cervical NeoplasmsAnus NeoplasmsEsophagogastric JunctionLaryngectomyLeucovorinOrganoplatinum CompoundsPancreatic NeoplasmsRadiotherapy, Intensity-ModulatedEsophagitisPelvic NeoplasmsLymphatic MetastasisLymph Node ExcisionOtorhinolaryngologic NeoplasmsPneumonectomyRadiation PneumonitisGeneral SurgeryOxonic AcidLarynxTreatment FailureRadiopharmaceuticalsTegafurThoracic SurgeryCarcinomaRandomized Controlled Trials as TopicRisk AssessmentLymphatic IrradiationCardiac Surgical ProceduresStomatitisPredictive Value of TestsVoice DisordersRadiotherapy, High-EnergyMitomycinSalvage TherapyRisk FactorsStomach NeoplasmsNeoplasms, Squamous Cell