CDKN2A and cervical carcinoma: In reference group composed of samples from normal uterus body and cervix uteri tissues obtained from patients with gynecological diseases (stromal and glandular tissues of the cervix from patients with cervical ectopia from which squamous cell epithelium had been fully cut off; myometrium of uterus body from the patient after surgery for cervical carcinoma) the results of staining with p16INK4a-specific antibodies were negative in all 12 cases (Table 3).