Tummy tuck is a plastic surgery used to help in cases of excess tummy skin, when extreme or rapid weight loss results in protruding abdomen that remains after stabilizing in the desired weight.
In cases of multiple areas needing reshaping or tightening, a board certified plastic surgeon may recommend a body lift - Dr. Mordcai Blau, M.D., P.C. Plastic Surgeon, NY, USA http://www.cosmetic-md.com/abdominoplasty