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Endoscopic grading of the gastroesophageal flap valve is correlated with reflux activity and can predict the size of the esophageal hiatus in patients with gastroesophageal reflux disease

EsophagusEsophageal HiatusEsophageal CancerMedicineGastroenterologySurgeryInterventional EndoscopyReflux ActivityEndoscopic ImagingGastroesophageal Flap ValveEndoscopic DiagnosisAnesthesiology