EsophagusBarrett EsophagusEsophagoscopyMetaplasiaAdenocarcinomaPrecancerous ConditionsEsophageal NeoplasmsGastroesophageal RefluxCardiaEsophageal DiseasesEsophagogastric JunctionHernia, HiatalGenes, MCCMucous MembraneEndoscopy, GastrointestinalEsophageal StenosisEsophagectomyPharmacy AdministrationEsophagitisBiopsyEndoscopyDeglutition DisordersEsophageal PerforationEsophagitis, PepticPeristalsisDelayed DiagnosisChromosomes, Human, Pair 5ManometryStomach NeoplasmsDisease ProgressionPrenatal DiagnosisEarly DiagnosisImmunohistochemistrySensitivity and SpecificityEructationDilatationPrognosisTumor Markers, BiologicalChromosomes, Human, Pair 17Risk FactorsEsophageal AchalasiaRetrospective StudiesLoss of HeterozygosityPolymerase Chain ReactionForeign BodiesHematemesisDiagnosisEsophageal Motility DisordersDeglutitionEsophagoscopesCarcinoma, Squamous CellProspective StudiesHeartburnHydrochloric AcidEsophageal FistulaBile RefluxStomachIntubationDiverticulum, EsophagealTime FactorsBarium SulfateTomography, X-Ray ComputedCausticsAntacidsFollow-Up StudiesTreatment OutcomeProton Pump InhibitorsEsophagoplastyDiagnostic ErrorsIncidenceOmeprazoleEsophageal Spasm, DiffusePredictive Value of TestsReproducibility of ResultsGene Expression Regulation, NeoplasticVagus NerveAnti-Ulcer AgentsGastric AcidPharyngeal NeoplasmsPolyphloretin PhosphateIndigo CarmineGastroscopyStomach, RuminantRupture, SpontaneousNursing DiagnosisCase-Control StudiesDiagnosis, Computer-AssistedKeratoderma, Palmoplantar, DiffuseFatal OutcomeHydrogen-Ion ConcentrationCohort StudiesAminolevulinic AcidPressureInfant, NewbornNeoplasmsDigestive System NeoplasmsUlcerEndoscopy, Digestive SystemBiperidenPhotochemotherapy