The breast would not have muscles. Breast tissue is situated on top of the muscles with the upper body wall. Blood vessels and lymphatic vessels (a method of vessels that drains fluid) can be found all through the breast. Microsoft and DuckDuckGo have partnered to offer a lookup Answer that https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff