At the end of 2013 Dr Jose A. Castaneda successfully performed a gastric sleeve in Puerto Vallarta at CMQ Premier hospital, one of the leading private medical centers in Mexico. His patient Susan Michael arrived from the United States with severe health issues associated with morbid obesity, and although she was a bit nervous at first (like most bariatric patients do before surgery), Mrs. Michael was immediately put at ease by Dr. Castaneda and the medical team at GastricBypassMexico