Zhang Yi, Deputy Director of the Department of Hepatobiliary and Pancreatic Cancer, Doctor of Surgery, Chief Physician. "Excellent Transferred Cadres in Chongqing", "High-end Medical Reserve Talents in Chongqing". Supervised by Academician Dong Jiahong, the renowned hepatobiliary surgery expert, he received strict and systematic surgical training with solid professional foundation and skilled surgical skills. Specialty: standardized surgical resection and comprehensive treatment of hepatobiliary and pancreatic tumors. Studied in Eppendorf Hospital of Hamburg University in Germany for minimally invasive surgery of hepatobiliary pancreas and Visiting scholar of hepatobiliary pancreatic surgery to Mayo Medical Center in the United States for one year. Member of MDT Special Committee of Hepatobiliary and Pancreaticobiliary Association of China, Member of Hepatobiliary Surgery Special Committee of Chongqing Association of Traditional Chinese and Western Medicine, reviewer of Journal of Laboratory Clinical Medicine, Member of Clinical Research Management Committee of Chongqing Cancer Hospital. He presided over three provincial and ministerial level scientific research projects and published more than 20 high-quality papers.