Institution: | 1. Department of Pathology, First Affiliated Hospital, Sun Yat-sen University, 510080 Guangzhou, China;2. Department of Gastrointestinal Surgery, First Affiliated Hospital, Sun Yat-sen University, 510080 Guangzhou, China;3. Department of Hepatobiliary Surgery, First Affiliated Hospital, Sun Yat-sen University, 510080 Guangzhou, China;4. General Surgical Laboratory, First Affiliated Hospital, Sun Yat-sen University, 510080 Guangzhou, China |