Inclusion Criteria:  BMI between 18-30 kg/m2 400 mL of fat (lipoaspirate) available for liposuction in the thighs or back Desire for abdominoplasty Speaks and reads Danish Signed informed consent  Exclusion Criteria:  Smoking Previous major abdominal surgery Previous cancer or predisposition to cancer Pregnancy or planned pregnancy Known chronic disease associated with metabolic malfunction or poor healing Pacemaker Allergy to necessary anaesthesia Intention of significant weight loss or weight gain within the trial period