Bilateral pectoralis muscle deficiency

Breast augmentation and augmentation mammoplasty (colloquially: "boob job") is a cosmetic surgery technique using breast-implants and fat-graft mammoplasty techniques to increase the size, change the shape, and alter the texture of the breasts of a woman. Augmentation mammoplasty is applied to correct congenital defects of the breasts and the chest wall. [Source: Wikipedia ]