A hiatal hernia is a weakness in the hiatus where the esophagus passes through, allowing the stomach (and sometimes other contents of the abdomen) to pass into the chest cavity. The major symptom ...

A hiatal hernia is a weakness in the hiatus where the esophagus passes through, allowing the stomach (and sometimes other contents of the abdomen) to pass into the chest cavity. The major symptom ...

The diaphragm is a large muscle that separates the chest from the abdomen, and important structures have to go through it. So, there is a hole in the diaphragm called the hiatus. A hiatal hernia ...