Anthony Cavello, Surgical Assistant (R) holds his finger in an incision in the inflated abdomen of Carolyn Dawson as he assists Dr. Michael Snyder performing a laparoscopic gastric bypass on Dawson at Rose Medical Center in Denver August 30, 2010. Snyder does four types of bariatric procedures completing 451 just last year. REUTERS/Rick Wilking (UNITED STATES)