III. To evaluate human papillomavirus (HPV) status and to explore the changes of pre- and post-immune therapy responses to HPV16/18/31/35/45 E7 antigens in patients peripheral blood lymphocytes (PBL) and serum using proliferative and interferon (IFN)-gamma enzyme-linked immunospot (ELISPOT) (cellular immunity) and serological (enzyme-linked immunosorbent assay [ELISA]) assays.