Meta-Analysis
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Dec 27, 2023; 15(12): 2890-2906
Published online Dec 27, 2023. doi: 10.4240/wjgs.v15.i12.2890
Figure 1
Figure 1 Literature screening process. CEA: Carcinoembryonic antigen.