Enlarged Spleen (Splenomegaly) Causes

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Comment by John P. Cunha, DO, FACOEP

The spleen is an organ located in the upper left part of your abdomen under your rib cage, toward your back. It is part of the lymph system and it helps rid your body of bacteria and fight infection. The spleen may become enlarged (splenomegaly) due to many different causes.

Common causes of enlarged spleen include:

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