Hiatal hernias are a very common medical problem that occur in people regardless of their body mass index (BMI), however they are more common when the BMI is 35 or higher. A hiatal hernia is an opening between the left and right diaphragm as the esophagus transitions into the stomach.
Paraesophageal hernia are a complex form of a hiatal hernia. These types of hernia are almost always associated with symptoms such as difficulty eating, early satiety and sometimes even trouble breathing. This occurs because of part of the lung may be compressed from the stomach moving into the chest.