Visceromegaly
Visceromegaly is enlargement of the organs inside the abdomen, such as the liver, spleen, stomach, kidneys, or pancreas.
Spleen
Splenomegaly is a larger-than-normal spleen. The spleen is an organ in the upper left part of the belly.

References
Taber's Medical Dictionary Online website. www.tabers.com/tabersonline. Accessed April 15, 2021.
Enlarged spleen - illustration
Because of its wide variety of functions, the spleen may be affected by many conditions involving the blood or lymph system, and by infection, malignancies, liver disease, and parasites.
Enlarged spleen
illustration
Review Date: 1/16/2021
Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.