A hiatus hernia or hiatal hernia is seen when the upper part of one’s stomach tends to press up through the diaphragm and into the chest area. There are generally 2 types of hiatus hernia:1. Moving hiatal hernia is seen when the stomach esophagus slides into

and out of your chest through the hiatus( however a part of the stomach presses up through the muscle throughout hiatal hernia, and the opening it moves through is called a hiatus).