Case Control Study
Copyright ©The Author(s) 2022.
World J Gastroenterol. Apr 21, 2022; 28(15): 1548-1562
Published online Apr 21, 2022. doi: 10.3748/wjg.v28.i15.1548
Figure 1
Figure 1 Flow chart of study patients. EGC: Early gastric cancer; SM: Submucosa; LVI: Lymphovascular invasion.