Hiatus hernia
A hiatus hernia, or hiatal hernia, is when part of the stomach squeezes up into the chest through an opening (‘hiatus’) in the diaphragm.
The diaphragm is a large, thin sheet of muscle between the chest and the abdomen (tummy).
A hiatus hernia, or hiatal hernia, is when part of the stomach squeezes up into the chest through an opening (‘hiatus’) in the diaphragm.
The diaphragm is a large, thin sheet of muscle between the chest and the abdomen (tummy).