The esophagus is a tubular, elongated organ that plays an important role in transporting food and liquids to the stomach. Several conditions can negatively affect the esophagus, including acid reflux, ...
Achalasia is a rare disorder where the lower esophageal sphincter (LES) fails to relax. It’s also marked by the loss of peristalsis, the muscle waves that push food down the esophagus. The root cause ...