Surgeons who are specialized in spine surgery perform surgery for scoliosis. Fret was public about undergoing liposuction surgery and buttock augmentation. Many surgeons require two letters of recommendation for sex reassignment surgery. It is learned there are complications from the first surgery. Alternate methods of minimally invasive coronary artery bypass surgery have been developed. He specializes in vascular surgery and bariatric surgery. In July 2008 Jones underwent surgery for prostate cancer. Stoudemire underwent eye surgery to repair the retina. Scott Powell is a specialist in orthopedic surgery and sports medicine. Selection for residency training in orthopedic surgery is very competitive. In the 1990s, Green underwent gastric bypass surgery. Anesthesia is not used during the middle of an "awake" brain surgery. Dermatologists have been leaders in the field of cosmetic surgery. There may be increased mortality associated with cardiac surgery. Most came for minor elective (cosmetic) surgery.