In This video Dr R K Mishra delivering lecture on Laparoscopic Repair of Large Hiatus Hernia at World Laparoscopy Hospital. 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.There are two main types of hiatal hernias: sliding and paraesophageal