International Academic Symposium on the Prevention and Treatment of Hepatobiliary and Pancreatic Diseases, the 8th Academic Symposium of the China Branch of the International Hepatobiliary and Pancreatic Association and the 3rd Qiu Fazu Academic Thought Symposium, the 4th Asia-Pacific Hepatobiliary and Pancreatic Association Laparoscopic Liver Resection Promotion and Development Expert Committee,...