I really don’t think I was doing anything but swimming but all of a sudden I had swelling on my left clavicle. took forever for a diagnoses and still they dont know what to do. They are ruling out an infection by telling me they have to do a biopsy. Anyone had this done? Anyone have this? im just 50 now. So unfair. Ive taken such good care of myself and im told i have erosion under the swelling now. Having this lump on my chest that makes me so depressed.