Case Report
Copyright ©The Author(s) 2021.
World J Clin Cases. Sep 16, 2021; 9(26): 7798-7804
Published online Sep 16, 2021. doi: 10.12998/wjcc.v9.i26.7798
Figure 1
Figure 1 Gastroscopy before treatment, gastric retention (black arrows) can be seen.