
Fat necrosis:
Fat necrosis in the breasts can cause a lump or oil cyst. The lump will not hurt but the skin will feel thickened and bruised. The condition usually resolves on its own. If the cyst is severe, doctors may recommend surgery. Breast necrosis does not usually occur as a side effect after breast augmentation.
Infection
Fat transfer breast augmentation is a relatively safe procedure that involves the transfer of fat from one part of the body to another. Although the procedure carries a small risk of infection, it is possible to experience an abscess and fat necrosis, which are side effects of the enlargement process. These complications are not life-threatening, but they can be painful. If they are not treated, they can cause scarring and microcalcifications (small calcium deposits)
Changes in breast size
You will notice a difference in your breast size after fat transfer breast-augmentation. How much fat was injected into your breasts will determine how noticeable the change is. Most fat cells will resorb into your body, leaving the breast smaller than before. Ask your surgeon if you have any concerns about the changes. You will experience different changes from patient to patient. It is important that you discuss any concerns with your surgeon prior to undergoing the procedure.
Changes in the cleavage
While there are no visible changes to the cleavage following fat transfer breast surgery, they can be very satisfying. Patients may notice a softer, younger chest after fat transfer. They may also see a more perky cleavage. Fat transfer can have a number of factors that influence the appearance of your cleavage. The following are some of the factors to consider before undergoing fat transfer.

Natural breast enhancement vs. traditional
Your own fat is used to enhance your breasts. It's a safe and efficient way to increase your bust size without needing to use invasive procedures. It is the ideal option for women who want a small, natural boost in breast size, or for those who are seeking a more noticeable improvement. Natural breast augmentation has many advantages and is risk-free, unlike traditional breast augmentation.