There are 24 ribs in total, 12 on each side of the body. The following are emergency causes of pain under the left rib cage: ...

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.

Epigastric pain refers to pain or discomfort ... 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 ...