Esophagogastric JunctionGastroesophageal RefluxAdenocarcinomaStomach NeoplasmsEsophageal NeoplasmsEsophagusEsophageal pH MonitoringHernia, HiatalFundoplicationBarrett EsophagusEsophagoscopyManometryCardiaEsophagitisEsophagitis, PepticProton Pump InhibitorsLaryngopharyngeal RefluxHeartburnEsophageal Sphincter, LowerEsophageal DiseasesLaryngitisStomachEndoscopy, Digestive SystemMetaplasiaDuodenogastric RefluxBile RefluxEsophageal AchalasiaEndoscopy, GastrointestinalLaparoscopyEsophagectomyEsophageal Motility DisordersTreatment OutcomeHistamine H2 AntagonistsAntacidsDeglutition DisordersGastric Acidity DeterminationGastroscopyEosinophilic EsophagitisTooth ErosionPneumonia, AspirationOmeprazoleGastric FundusHydrogen-Ion Concentration2-PyridinylmethylsulfinylbenzimidazolesPeristalsisAnti-Ulcer AgentsTechnetium Tc 99m Sulfur ColloidCoughFluorouracilGastrectomyVesico-Ureteral RefluxEsophageal StenosisCisplatinEsomeprazoleOtorhinolaryngologic DiseasesGastric EmptyingGap JunctionsGastric AcidAntineoplastic Combined Chemotherapy ProtocolsIntercellular JunctionsEndoscopyNeoplasm StagingTight JunctionsLaryngeal Diseases