NFE2L2 and squamous cell intraepithelial neoplasia: As regard Nrf2 expression in different lesions, we found increased mean expression from normal tissue (10%, mean ± SD: 4.60 ± 5.42) to SIL (30%, mean ± SD: 14.50 ± 18.20) and to cervical carcinoma (62%, mean ± SD: 39.24 ± 29.25).