Cardia Achalasia is a kind of serious condition that affects our esophagus. and it occurs in the cardia of our stomatcvh. The lower esophageal sphincter (LES) is a muscular ring that closes off the esophagus from the stomach. in cardia achalasia condition, LES fails to open up during swallowing, and this leads to a backup of food within our esophagus.
this disorder creat dificulties for food and liquid to pass into the stomach.