FOXP3 and neoplasm: Also analyzed were non-tumor draining (brachial, BLN), tumor-draining lymph nodes (inguinal, ILN) and MC32A tumor microenvironment for changes in CD4+ FoxP3+ and proliferative/activated (i.e., Ki67+/CD44+) CD4+FoxP3- and CD8+ effector T cells (Figure 4E-4G).