Figure 7. Lymphocyte infiltration increases over the course of Letrozole treatment.

This box plot shows the increase in lymphocyte infiltration over the course of Letrozole treatment. A Wilcoxon signed rank test was used to assess the significance of these changes between patients at pretreatment and 90 day time points. P-values are denoted by asterisks, *p < 0.05, **p < 0.01, ***p < 0.00001.