Esophagogastric JunctionAdenocarcinomaStomach NeoplasmsEsophageal NeoplasmsGastroesophageal RefluxCardiaHernia, HiatalEsophagusBarrett EsophagusBreastEsophagoscopyEsophageal DiseasesManometryMetaplasiaNeoplasm StagingEsophageal pH MonitoringTreatment OutcomeCell Line, TumorAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsFluorouracilPrognosisEsophagectomyTumor Markers, BiologicalFundoplicationStomachEsophageal AchalasiaCisplatinCarcinoma, Ductal, BreastSurvival RateReceptors, EstrogenGastrectomyGap JunctionsSurvival AnalysisDisease-Free SurvivalNeoplasm MetastasisGene Expression Regulation, NeoplasticIntercellular JunctionsTight JunctionsCombined Modality TherapyTaxoidsEsophagitisCarcinoma, Squamous CellReceptor, erbB-2Lung NeoplasmsImmunohistochemistry