Figure 3. Increased SOX2 expression in lung SCCs compared to adenocarcinomas and its association with smoking patterns.

Box-plot depicting statistical analysis by the Wilcoxon-rank test of differences in nuclear SOX2 protein score in both TMA sets I and II between lung adenocarcinomas (ADC) and SCCs (A), ever and never NSCLC smokers (B) and between never, former and current smokers (C).