Achalasia

What Is It?

Achalasia is an uncommon disorder of the esophagus. The disorder makes it difficult for food to pass from the esophagus into the stomach.

The esophagus is a muscular tube. It carries food from the mouth to the stomach.

Normally, coordinated contractions of smooth muscle move food through the esophagus. These contractions are called peristaltic waves.

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