1 The Second Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China; Lanzhou University People's Clinical Hospital, Lanzhou, 730000, China; Gansu Research Center of Prevention and Control Project for Digestive Oncology, Gansu Provincial Hospital, Lanzhou, 730000, China; Gansu Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology, Gansu Provincial Hospital, Lanzhou, 730000, China. Electronic address: yanyk14@lzu.edu.cn.
2 The 1st Clinical Medicine College, Gansu University of Chinese Medicine, Lanzhou, 730000, China; The Second Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China.
3 The Second Department of General Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China; Lanzhou University People's Clinical Hospital, Lanzhou, 730000, China.