A hiatus hernia occurs when part of the stomach pushes up through the diaphragm into the chest cavity. It can cause uncomfortable symptoms and is often associated with acid reflux. Symptoms ...

Normally the entire stomach sits below the diaphragm. The esophagus passes through an opening in the diaphragm called the hiatus before it enters the stomach. Weakened tissues within and around the ...

When you swallow, the food or liquid goes in to your gullet through a hole in the diaphragm and enters the abdomen, where it expands to form the stomach. A hiatus hernia is when a little bit of ...