hiatal hernia

The esophagus joins the mouth and throat to the stomach. It moves within the chest cavity and starts at the abdominal cavity through a hole in the diaphragm known as the esophageal hiatus. The term Hiatal hernia defines a condition where a portion of the stomach that ordinarily is located in the abdominal cavity swells or protrudes through the esophageal hiatus to sit within the chest cavity. What causes a…