Final answer:
Mastopexy is a surgical procedure for lifting and reshaping sagging breasts, often done after weight loss, childbirth, or aging.
Step-by-step explanation:
Mastopexy refers to the surgical fixation of the breast. It is a plastic surgery technique for lifting and reshaping sagging breasts, often after weight loss, childbirth, or as a result of aging. This procedure can also involve the repositioning of the nipple and areola to a more natural height. It does not typically involve the enlargement or reduction of the breasts, although it can be performed in conjunction with these procedures. The correct answer is 3) surgical fixation of the breast.