Hello and hope you are doing well.
Liver enlargement or hepatomegaly could be due to liver disorders or due to systemic causes like heart failure or hemolysis. The cause for enlargement needs to determined. This is done with the help of blood tests, ultra sonogram and if need be, biopsy of liver will help to clinch the diagnosis. If you can get back to me with the diagnosis, I will be able to elaborate further.
Hope this helped and do keep us posted.
have you done a blood exam? check all liver values like alkaline phosphate and bilirrubine. If those are npot good they might want to do a biopsy