Deputy Chief Physician, Doctor of Oncology, Medical Team Leader of the Second Ward, Gastrointestinal Oncology Center, Peking University Cancer Hospital. Specialties: Laparoscopic minimally invasive surgical treatment and perioperative comprehensive management of gastrointestinal tumors, including gastric cancer, gastroesophageal junction cancer, gastric stromal tumors, colon cancer, and rectal cancer. Since 2012, has been engaged in oncology, particularly surgical oncology, at the Department of Surgery, Peking University Cancer Hospital for over a decade. Proficient in oncology theory, knowledge, and clinical skills, with extensive clinical experience in the diagnosis and treatment of common malignant tumors. Concurrent Positions: Standing Committee Member and Deputy Secretary-General of the Colorectal Disease Branch of the China International Exchange and Promotive Association for Medical and Health Care; Member of the Minimally Invasive and Endoscopy Group of the Anorectal Physician Branch of the Chinese Medical Doctor Association; Member of the Intelligent Anatomy Branch of the Chinese Society of Anatomy. Principal Investigator of one Young Talent Project funded by the Peking University Cancer Hospital Internal Research Fund, and one Open Project funded by the State Key Laboratory of Virtual Reality Technology and Systems (Beihang University). Served as Sub-Investigator in multiple multicenter clinical research studies on novel drugs. Deputy Editor-in-Chief of the National Publication Foundation project "Standardized Surgery for Colorectal Cancer" and Editorial Board Member of the National Publication Foundation project "Standardized Surgery for Gastric Cancer." Awarded the Runner-Up in the North China Region of the 2021 Greater China Laparoscopic Colorectal Surgery Masters Competition. Publications: (1) Li Jie; Chen Jiahui; Sun Xin; Yang Heli; Sun Keyong; Liu Chang; Wang Yongwang; Xu Mengyue; Ji Xin; Zhang Ji; Wu Xiaojiang; Wang Anqiang; Fan Biao; Zhang Xiaolu; Wu Yue; Cui Peilin; Peng Junya; Zhao Yupei; Wu Wenming; Yu Honghao; Bu Zhaode; Ji Jiafu; Lan Xun. Uncovering chromatin accessibility and cancer diagnostic potential via cell-free DNA utilization, Science Bulletin, 2024, 69(19): 2987-2992. (2) Zhang, Meng; Yang, Heli; Fu, Tao; Meng Meizhu; Feng Yi; Qu, Changda; Li, Zhongwu; Xing, Xiaofang; Li, Wenmei; Ye, Meiying; Li, Sisi; Bu Zhaode; Jia Shuqin. Liquid biopsy: circulating tumor DNA monitors neoadjuvant chemotherapy response and prognosis in stage II/III gastric cancer, MOLECULAR ONCOLOGY, 2023, 17(9): 1930-1942. (3) Yang Heli; Ji Xin; Jin Chenggen; Ji Ke; Jia Ziyu; Wu Xiaojiang; Zhang Ji; Bu Zhaode. A Practical Nomogram for Predicting the Prognosis of Elderly Patients with Gastric Adenocarcinoma After Gastrectomy, International Journal of General Medicine, 2022, 15: 473-488. (4) Liu Ying; Yang Heli; Fu Hao; Li Meng; Zhen Feng; Peng Zhongmin; Liang Zhen; Wang Hui. Prognostic impact of examined lymph node count in pT1N0M0 esophageal cancer: A population-based study, Thoracic Cancer, 2019, 10(7): 1636-1643.