Yuyong Tan, MD, PhD, Doctor of Internal Medicine, The Second Xiangya Hospital, Central South University. Yuyong Tan is currently a doctor in Department of Gastroenterology, The Second Xiangya Hospital, Central South University, P. R. China. Dr. Tan achieved his Bachelor degree of clinical medicine (2007-2012) at Xiangya Medical School of Central South University, Master (2012-2015) and Doctor degree (2015-2018) at the Second Xiangya Hospital, Central South University. He also received research training (2016-2017) at Beth Israel Deaconess Medical Center, Harvard Medical School, USA. His main research interest is clinical and basic research in digestive malignant tumors and digestive endoscopy. From 2014 to present, Dr. Tan has published more than 50 articles and more than 10 conference abstract in international peer-review journals (e.g., Gastroenterology, Gastrointestinal Endoscopy、Endoscopy), and serves as section editor for Xiangya Medical Journals, and reviewer for more than 10 international peer-review journals (e.g., Cell Proliferation、American Journal of Translational Research、Clinics and Research in Hepatology and Gastroenterology、Journal of Cancer).