All problems that occur in the breasts such as one breast not being the same in volume, shape or size compared to the other, or different diameter from one nipple level to the other due to congenital or developmental disorders such as pregnancy and breastfeeding or hormonal imbalance are called breast (breast) asymmetry.  In breast asymmetry correction surgery; considering the demands of the patients, breast structure and size, one or more of the reduction, enlargement, reconstruction or fat injection methods are applied to one breast or both breasts to correct the asymmetry between the breasts.