Yongfu Shao, chief physician, professor, doctoral advisor. Currently the vice director and chief expert at Hainan Cancer Hospital. Since graduating from Nanjing Medical University, he has been pursuing oncology surgery for fifty years, and previously worked as (the director of the department of abdominal surgical oncology and chief expert) of the Cancer Hospital Chinese Academy of Medical Sciences. He has served as vice chairman for the Pancreatic Cancer Committee of Chinese Anti- Cancer Association as well as the Committee of Colorectal Cancer CACA, and has also served as a member of the Committee of the Central Health Bureau. For the past few decades, he has performed over 20,000 cases of tumor surgery. He also has rich clinical experience and is good at diagnosing and performing surgical treatments for various complicated tumor cases. He is especially experienced in diagnosing and performing surgical treatments for colorectal cancer, rectal cancer, gastric cancer, pancreatic cancer, tutors of the biliary tract, breast cancer, retroperitoneal and pelvic tumours, and soft tissue tumours.