hiatus hernia 
(also hiatal hernia)
noun Medicine
The protrusion of an organ, typically the stomach, through the oesophageal opening in the diaphragm.This is called a hiatus hernia, and it causes pain and heartburn....
- The only problem with highly concentrated tomato products is that they may aggravate acid-related conditions like indigestion, hiatus hernia and rheumatoid arthritis.
- Most of the time, reflux is associated with hiatus hernia or prolapse of stomach into the food pipe, which is quite troublesome.