A Dr. Nicholas F. Fiore, MD, Pediatric Surgery, answered on behalf of Sunrise Hospital & Medical Center. The best age for pectus excavatum surgery is between 10 and 12 years old, says Nicholas Fiore, MD, a pediatric surgeon at Sunrise Hospital. Dr. Lyall Gorenstein, MD, Thoracic Surgery (Cardiothoracic Vascular), answered on behalf of Columbia University Department of Surgery. The ideal age for surgical treatment of pectus excavatum is between 12-18 years of age.