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Effect of submucosal tunneling endoscopic resection for submucosal tumors at esophagogastric junction and risk factors for failure of en bloc resection

En Bloc ResectionEsophagusEsophageal CancerMedicineGastroenterologySurgeryUpper Gastrointestinal SurgeryOncologyRadiation OncologyRisk FactorsSubmucosal TumorsHealth Sciences