March 16, 2021
Any time an internal body part pushes into an area where it doesn’t belong, it’s called a hernia.
The hiatus is an opening in the diaphragm — the muscular wall separating the chest cavity from the abdomen. Normally, the esophagus (food pipe) goes through the hiatus and attaches to the stomach. In a hiatal hernia (also called hiatus hernia) the stomach bulges up into the chest through that opening.