The spleen is a fist-sized organ tucked behind the rib cage on the left side of the body. When it enlarges (medically known as splenomegaly), it can cause a dull, aching pain under the left rib cage.

The spleen is a vital part of your immune system, located on the left side of your body beneath the rib cage. Various conditions or diseases can lead to an enlarged spleen. If it isn’t treated ...

A side view demonstrates head placement ... On your inhale, expand your abdomen, expand your chest and rib cage. On your exhale, allow your chest and rib cage to relax all the way down to your ...