CD4 and inflammatory breast carcinoma: In this study we further characterized CD4+ T cell subsets isolated from axillary tributaries of non-IBC and IBC patients, namely Th1 (IFN-γ+CD4+), Th2 (IL-4+CD4+), Th17 (IL-17+CD4+), and Treg (Foxp3+CD4+) using multicolor flow cytometry.