DefinitionHepatomegaly is swelling of the liver beyond its normal size.If both the liver and spleen are enlarged, it is called hepatosplenomegaly.See also: SplenomegalyAlternative NamesHepatosplenomegaly; Enlarged liver; Liver enlargementConsiderationsThe lower edge of the liver normally comes just to the lower edge of the ribs (costal margin) on the right side. The edge of the liver is normally thin and firm, and it cannot be felt with the finger tips below the edge of the ribs, except when you take a deep breath. It may be considered enlarged if a health care provider can feel it in this area.Common CausesThe liver is involved in many bodily functions and is affected by a variety of conditions, many of which result in hepatomegaly.Causes of hepatomegaly may include:Alcohol useCongestive