The breast does not include muscles. Breast tissue is found along with the muscles on the chest wall. Blood vessels and lymphatic vessels (a system of vessels that drains fluid) can be found throughout the breast. What transpires if my Saline Implant ruptures? If you feel that your implant ruptures https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff