Hard Knot On Rib Cage. In the case of an abscess, it will. Family medicine 39 years experience.
I have a knot that shows up under my left rib cage when laying down my whole left side is tender to the touch what is going on here? A lump in the chest, whether in the breast, near the sternum, or elsewhere on the rib cage, is a common symptom of many different conditions. It’s an irritation of one or more joints where the ribs attach to the spine, known as the costotransverse and.
