She has a very big breasts, planing to reduce them with a surgery, what's the negative and positive to it? is there another way instead of the surgery

Pros and Cons: Weight loss can decrease some of the fat content. But some females have large breasts even at their normal body weight. Large breasts can cause back pain in some women. Breasts reductions are usually covered by health insurances. Smaller bras are less expensive. So the benefits will depend on individual burden of the breasts to the patient (pain, weight, clothes, etc...)