To better understand hepatomegaly, it helps to understand the anatomy of the liver.
The liver is located in the upper right abdomen. It is one of the largest organs in the body.
Functions of the liver include:
- Helps convert food into energy
- Helps digest food
- Removes toxins, such as alcohol, from the blood
- Regulates blood clotting
- Stores energy
- Stores iron
- Allison ME. Fatty liver. Hosp Med. 2004 Oct;65(10):609-12. 
- van Hoek B. Non-alcoholic fatty liver disease: a brief review. Scand J Gastroenterol Suppl. 2004;(241):56-9.