Many poss: Thrombosis or clotted vein( mondors dis), infection, contusion, blocked duct, muscle spasm, pathological rib fracture, getting pinched, etc.
Answered 4/25/2015
6.2k views
Cyst: It could also be a strain from the breast ligaments. It isn't cancer.
Answered 12/10/2012
5.4k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question