Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastrointest Endosc. Jun 16, 2023; 15(6): 447-457
Published online Jun 16, 2023. doi: 10.4253/wjge.v15.i6.447
Figure 2
Figure 2 An illustration depicting the sub-classification of esophageal cancer stage. T1b lesion invades the submucosal layer and are stratified into sm1, sm2, and sm3 lesions according to involvement of the first, middle, and deep one-thirds of the submucosa, respectively[16]. Image created in BioRender.