Digestive System NeoplasmsDigestive System DiseasesDigestive SystemEsophagusBarrett EsophagusDigestive System and Oral Physiological PhenomenaDigestive System Physiological PhenomenaDigestive System ProcessesDigestive System FistulaGastrointestinal TractClemastineEsophageal NeoplasmsGastrointestinal NeoplasmsDiagnostic Techniques, Digestive SystemDigestive System AbnormalitiesGastrointestinal DiseasesEsophagoscopyStomachIntestinesPancreasLarvaEsophageal DiseasesEndoscopy, Digestive SystemStomach NeoplasmsTissue DistributionEsophageal StenosisEsophagectomyEsophagogastric JunctionMetaplasiaGastroesophageal RefluxCardiaCause of DeathNeoplasmsAdenocarcinomaChinaEsophagoplastyRisk FactorsEsophagitisTime FactorsMucous MembraneAsian Continental Ancestry GroupMolecular Sequence DataLiver NeoplasmsPrecancerous ConditionsDigestive System Surgical ProceduresGenetic Predisposition to DiseasePhylogenyEsophagitis, PepticPeristalsisEsophageal PerforationManometryPolymorphism, GeneticEndoscopy, GastrointestinalDigestionNational Institute of Diabetes and Digestive and Kidney Diseases (U.S.)Esophageal FistulaCarcinoma, Squamous CellHypopharynxDeglutition DisordersDimethylnitrosamineEsophageal AchalasiaEsophagoscopesEsophageal Sphincter, LowerCausticsDeglutitionHernia, HiatalGastrointestinal ContentsEndoscopy