1 Zhihao Lu, MD, PhD, Chang Liu, BSc, andXiaotian Zhang, MD, PhD, Department of Gastrointestinal Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Hai-Dian District, Beijing, China; Tianqi Sun, BSc, Precision Scientific (Beijing) Co Ltd, Hai-Dian District, Beijing, China; and Lin Shen, MD, PhD, Department of Gastrointestinal Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Hai-Dian District, Beijing, China.