<qa>  What is the goal of the loop electrosurgical excision procedure?The objectives are to evaluate the effectiveness of treatment of cervical intraepithelial neoplasia CIN by loop electrosurgical excision procedure using persistence of human papillomavirus HPV as outcome, and to perform a long-term follow-up on the ability of HPV testing, as compared to cytology, to predict recurrence of high-grade CIN. 