In contrast, a significantly positive correlation between expression of Sdc-1 and IL-4 (r = 0.554, P = 0.032), IL-17 (r = 0.7, P = 0.004), and Foxp3 (r = 0.539, P = 0.038) was evident in breast carcinoma tissues of non-IBC (Fig 4). Here, FOXP3 is linked to breast carcinoma.