Abnormal esophagus morphology Short esophagus 2024-02-24T19:28:00Z The short esophagus was defined by surgeons as the inability to reduce the gastroesophageal (GE) junction below the diaphragm during surgery, due to inadequate esophageal mobilization. Short esophagus was also defined by endoscopists when the GE junction is positioned in adults at a distance less than 40 cm from the mouth (normal value is approximately 45 cm). Abnormal reduction in the length of the esophagus.