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Objectives ; – Pathophysiology         – Epidemiology         – Symptomatology         – Diagnosis         -Treatment         -Complications Anatomy of the Esophagus •Upper esophageal sphincter (UES) and proximal 3-4cm is striated muscle. •Distal 2/3 and lower esophageal sphincter (LES) is smooth muscle. •Circular and longitudinal muscle layer. Innervation[nerve supply] of Esophagus •Afferent (esophagus to swallowing center        … Read more