Ashok R Shaha1, Kepal N Patel2, R Michael Tuttle3. 1. Department of Surgery, Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA. 2. Division of Endocrine Surgery, NYU Langone Medical Center, New York, New York, USA. 3. Department of Medicine, Endocrinology Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA.