👉 Esophagoplegia, also known as gastroesophageal reflux disease (GERD), is a condition in which acid from the stomach flows back up into the esophagus, causing heartburn or chest pain. This can occur when the upper part of the esophagus moves backward and up towards the mouth. The symptoms of GERD include: 1. Heartburn: It can be very uncomfortable and make it hard to eat. 2. Chest pain: It may feel like pressure in