These authors evaluated 24 women with benign breast lesions, including papilloma, sclerosing adenosis, usual ductal hyperplasia, and fibroadenoma, and found that Nrf2 was positive only in one case of fibroadenoma (4%) while it was positive in 44% of the women with breast carcinoma. This evidence concerns the gene NFE2L2 and Fibroadenoma.