Dr. Sun specializes in the comprehensive treatment of biliary tract and pancreatic lithiasis, biliary tract and pancreatic tumors by endoscopy, laparoscopic minimally invasive surgery and surgery.

Member   Branch of Endoscopy of Chinese Medical Doctor Association

Member   Professional Committee of Digestive Endoscopy, Branch of Endoscopy of Chinese Medical Doctor Association

Member   Profes‍sional Committee of Laparoscopic Surgery, Branch of Endoscopy of Chinese Medical Doctor Association

Member   Professional Committee of Acute Pancreatitis of Chinese Medical Doctor Association

Member   Endoscopic Surgery Group, Branch of Digestive Endoscopy of Chinese Medical Association

Vice Chairman   ERCP Group, Branch of Digestive Endoscopy of Shaanxi Province Medical Association

Member and Secretary   Branch of Laparoscopic Surgery of Shaanxi Province Medical Association

Standing Committee Member   Professional Committee of Prevention and Treatment of Liver Disease of Shaanxi Province Health Care Association

Chairman   Standing Committee of Branch of Minimally Invasive Surgery and Endoscopic Surgery Group of Society of Biotechnology of Shaanxi Province