Most people with costochondritis experience pain over the front of the upper chest, around the area of the sternum. The pain is characterized by the following features: In severe cases ...

If you have fibromyalgia (FMS), chest pain may be one of your symptoms. A condition called costochondritis ... on your chest and a heating pad on your back at the same time.

On the left side of the body, these organs include the: Costochondritis ... can cause pain in the left upper abdomen. This may occur alongside pain at the left back and side.