Deputy Chief Physician, Third Ward, Gastrointestinal Center, Peking University Cancer Hospital; Ph.D. in Surgical Oncology, Peking Union Medical College Specialty: Perioperative treatment of gastric cancer and colorectal cancer. Laparoscopic radical resection of colorectal cancer; laparoscopic distal gastrectomy, proximal gastrectomy, total gastrectomy, and totally laparoscopic digestive tract reconstruction; conventional open and complex surgeries, including multivisceral resection. Pursues a refined and efficient surgical technique; emphasizes bloodless surgery while balancing radical resection and functional preservation. Professional Affiliations: Member of the Anorectal Difficult Diseases Group of the Chinese Medical Doctor Association Anorectal Branch; Precision Medicine Branch of the Chinese Geriatrics Society; Soft Tissue Oncology Branch of the China International Exchange and Promotive Association for Medical and Health Care; Peritoneal Tumor Integrated Rehabilitation Committee of the Chinese Anti-Cancer Association; Tumor Patient Care Working Committee of the Chinese Population Culture Promotion Association; and over 10 other oncology societies. Five Representative Publications: 1. Yingjie Li, Chaohu Pan, Yuye Gao, et al. Total Neoadjuvant Therapy With PD-1 Blockade for High-Risk Proficient Mismatch Repair Rectal Cancer. JAMA Surg. 2024 May 1;159(5):529-537. (First Author) 2. Yingjie Li, Luxin Tan, Nan Chen, et al. Neoadjuvant Immunotherapy Alone for Patients With Locally Advanced and Resectable Metastatic Colorectal Cancer of dMMR/MSI-H Status. Dis Colon Rectum. 2024 Nov 1;67(11):1413-1422. (First and Corresponding Author) 3. Yingjie Li, Liang F, Li Z, Zhang X, Wu A. Neoadjuvant Immunotherapy for Patients With Microsatellite Instability-High or POLE-Mutated Locally Advanced Colorectal Cancer With Bulky Tumors: New Optimization Strategy. Clin Colorectal Cancer. 2025 Mar;24(1):18-31.e2. (First and Corresponding Author) 4. Yingjie Li, Liu XZ, Yao YF, et al. Efficacy and safety of preoperative immunotherapy in patients with mismatch repair-deficient or microsatellite instability-high gastrointestinal malignancies. World J Gastrointest Surg. 2023 Feb 27;15(2):222-233. (First Author) 5. Yuqing Chen, Dongfang Wang, Yingjie Li, et al. Spatiotemporal single-cell analysis decodes cellular dynamics underlying different responses to immunotherapy in colorectal cancer. Cancer Cell. 2024 Jul 8;42(7):1268-1285.e7. (Co-first Author)