EsophagusTracheaBarrett EsophagusEsophageal NeoplasmsEsophagoscopyTracheal NeoplasmsEsophageal DiseasesEsophageal StenosisEsophagectomyMetaplasiaEsophagogastric JunctionTracheal DiseasesGastroesophageal RefluxMucous MembraneCardiaAdenocarcinomaEsophagoplastyEsophagitisPrecancerous ConditionsEsophagitis, PepticMuscle, SmoothTracheal StenosisEsophageal PerforationPeristalsisGuinea PigsManometryLarynxEsophageal FistulaCarcinoma, Squamous CellDimethylnitrosamineEsophageal Sphincter, LowerMuscle ContractionDeglutitionEndoscopy, GastrointestinalHypopharynxHernia, HiatalTracheoesophageal FistulaEsophageal AchalasiaEpitheliumDeglutition DisordersBronchiEndoscopy, Digestive SystemEsophagoscopesEndoscopyMuscle RelaxationIntubation, IntratrachealCausticsDilatationEsophageal AtresiaStomachForeign BodiesRespiratory SystemFundoplicationLungEsophageal Sphincter, UpperHydrochloric AcidStomach NeoplasmsMucusDiverticulum, EsophagealBiopsyTracheotomyBronchoscopyBurns, ChemicalImmunohistochemistryVagus NerveDigestive SystemDuodenogastric RefluxHistamineEosinophilic EsophagitisUpper Gastrointestinal TractEsophageal Motility DisordersMediastinumNodose GanglionPressureAirway ObstructionNitrosaminesCineradiographyAnastomosis, SurgicalEsophageal pH MonitoringParasympatholyticsLaryngeal NervesTracheitisBile RefluxDigestive System NeoplasmsSRS-ATomography, X-Ray ComputedFiber Optic TechnologyRetrospective StudiesGastrointestinal NeoplasmsNumismaticsFistulaExocrine GlandsAtropineMethacholine CompoundsElectric StimulationTreatment OutcomeBronchial DiseasesTime FactorsRisk FactorsLaryngopharyngeal Reflux