cervical dysplasia. cervical cancer

dysplasia cervical epithelium cancer intraepithelial neoplasia cross closeup squamous cell abnormal hpv carcinoma disease medical health oncology smear pap science papilloma uterus microscopic virus human cytology gynecology cervix lab infection woman malignant pathology vaccine treatment histology patient screening gynecologist female epithelial microscope papanicolaou test pathologist vaccination genital anatomy laboratory precancerous stain cin papillomavirus colposcopy biopsy lesion sil hsil immunosuppression cryotherapy prevention