Visiting Scholar of Massachusetts General Hospital,Harvard Medical School Member of ?Gastrointestinal Surgery Group, Elite Club of Chinese Digestive Surgery Member of International Association of Gastric Carcinoma (IGCA) Member of China Anti-Cancer Association(CACA). Committee of Health Science Branch of China International Exchange and Promotive Association for Medical and Health Care Youth Committee of Integrated Oncology Branch, China Anti-Cancer Association Committee of Jilin Yourth Federation Academic Editor of ?Annals of Translational Medicine