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: ...

Pain on the right side of the abdomen under ... The liver is a large, football-shaped organ located on the right upper side ...

Symptoms of rib injury include localized pain that can be severe. The rib cage glides open a bit with each breath and flexes in response to motion, each of which can also trigger pain or discomfort.