Chief Physician, Associate Professor, Master's Supervisor Professional Affiliations: Member of the Medical-Engineering Integration and Intelligent Medicine Group, Colorectal Tumor Committee, Chinese Medical Doctor Association; Member of the Integrated Traditional Chinese and Western Medicine Liver Cancer Committee, Chinese Anti-Cancer Association; Member of the Colorectal Disease Branch, China International Exchange and Promotive Association for Medical and Health Care; Member of the Metastatic Tumor Branch, China International Exchange and Promotive Association for Medical and Health Care; Youth Editorial Board Member, *Electronic Journal of Liver Cancer*; Member of the Beijing Chronic Disease Prevention and Health Education Research Association. Representative Achievements: Research Projects: (1) Beijing Hospital Management Center Youth Talent Training Program (Qingmiao Plan): *Retreatment Strategies for Recurrence After Resection of Colorectal Liver Metastases* (Principal Investigator); (2) Peking University Cancer Hospital Science and Innovation Project: *Patent Design of Accessories for Laparoscopic Liver Resection* (Principal Investigator); (3) Peking University Cancer Hospital Clinical Research Youth Fund: *Prognostic Study of Resection of Colorectal Liver Metastases with Para-Aortic Lymph Node Metastasis* (Principal Investigator); (4) Major Infectious Disease Special Project: *Human Protein Profiling Analysis* (First Participant). Publications: Liu W, Zhang W, Xu Y, Li YH, Xing BC: A Prognostic Scoring System to Predict Survival Outcome of Resectable Colorectal Liver Metastases in this Modern Era. *Ann Surg Oncol* 2021, 28(12):7709-7718. Liu W, Zhang ZY, Yin SS, Yan K, Xing BC: Contrast-Enhanced Intraoperative Ultrasound Improved Sensitivity and Positive Predictive Value in Colorectal Liver Metastasis: a Systematic Review and Meta-Analysis. *Ann Surg Oncol* 2021, 28(7):3763-3773. Liu W, Jin KM, Zhang MH, Bao Q, Liu M, Xu D, Wang K, Xing BC: Recurrence Prediction by Circulating Tumor DNA in the Patient with Colorectal Liver Metastases After Hepatectomy: A Prospective Biomarker Study. *Ann Surg Oncol* 2023, 30(8):4916-4926. Liu W, Liu JM, Wang K, Wang HW, Xing BC: Recurrent colorectal liver metastasis patients could benefit from repeat hepatic resection. *BMC Surg* 2021, 21(1):327. Liu W, Cui Y, Wu XG, Chen FL, Wang K, Sun YS, Xing BC: Tumor attachment to Major intrahepatic vascular for Colorectal liver metastases. *BMC Surg* 2023, 23(1):169.