Breast -

Any hard knot or thick mass that feels distinctly separate from the surrounding tissue.

Fibrous tissue that holds everything in place. Cooper's ligaments are thin bands of this tissue that attach the breast to the chest wall and skin to maintain structural integrity. breast

A nipple pulling inward (retraction), sudden changes in shape, or spontaneous discharge that is not breast milk. Any hard knot or thick mass that feels

Fatty tissue that fills the spaces between the glands and gives the breast its size and shape. sudden changes in shape