Furthermore, FOXP3 is involved in antitumour immune responses and the epithelial‐mesenchymal transition in cancer14 and has been described in pancreatic carcinoma cells15 as well as many other types of cancers, including hepatocellular carcinoma, prostate cancer, breast cancer, gastric cancer, ovarian cancer and CC.16 This evidence concerns the gene FOXP3 and breast carcinoma.