Chemoradiotherapy, AdjuvantChemoradiotherapyRadiotherapy, AdjuvantChemotherapy, AdjuvantCombined Modality TherapyGastrectomyFluorouracilTreatment OutcomeAdenocarcinomaSurvival RateDisease-Free SurvivalRetrospective StudiesAntineoplastic Combined Chemotherapy ProtocolsSurvival AnalysisNeoplasm StagingCisplatinPrognosisAdjuvants, ImmunologicNeoadjuvant TherapyEsophageal NeoplasmsKaplan-Meier EstimateCarcinoma, Squamous CellRectal NeoplasmsNeoplasm Recurrence, LocalRadiotherapy DosageHead and Neck NeoplasmsFollow-Up StudiesEsophagectomyAntineoplastic AgentsCell SurvivalRadiotherapyLung NeoplasmsDeoxycytidineDose FractionationDrug Administration ScheduleAntimetabolites, AntineoplasticFreund's AdjuvantProportional Hazards ModelsNasopharyngeal NeoplasmsInduction ChemotherapyTime FactorsCarcinoma, Non-Small-Cell LungLymphatic MetastasisCarboplatinSurvivalTumor Markers, BiologicalRemission InductionBreast NeoplasmsNeoplasm MetastasisTaxoidsMultivariate AnalysisLeucovorinPaclitaxelCyclophosphamideOrganoplatinum CompoundsHypopharyngeal NeoplasmsVincristineOrgan Sparing TreatmentsDoxorubicinDisease ProgressionLaryngeal NeoplasmsPancreatic NeoplasmsOropharyngeal NeoplasmsRadiotherapy, ConformalProspective StudiesPreoperative CareSalvage TherapyBrain NeoplasmsCarcinomaEtoposidePositron-Emission TomographyImmunohistochemistryRadiation InjuriesRandomized Controlled Trials as TopicRecurrenceStomach NeoplasmsDigestive System Surgical ProceduresBrachytherapy