Figure 2

Significant difference in expression levels of miR-181b-5p between tumor surface and depth (pairwise comparison, Wilcoxon signed-rank test, z = 2.42, p = 0.015).
Significant difference in expression levels of miR-181b-5p between tumor surface and depth (pairwise comparison, Wilcoxon signed-rank test, z = 2.42, p = 0.015).