Swelling or lumps around your collarbone or armpits can be caused Although most breast cancers do not cause pain in the breast, some do.
Pain in the breast is rarely the first noticeable symptom of breast cancer. With fat necrosis, the mass can't be distinguished from a cancerous lump without a.
Learn what causes breast pain & when you should call your doctor. A new lump with the onset of the pain; lump does not go away after your menstrual period.