Objective: To evaluate clinical value of p161NK4a biomarker level, by doing p161NK4a immunocytochemistry staining, as a pre¬dictor of progressivity of precancerous cervical lesion. Method: Design of this research is case-control study which will be stratified. ~search was conducted in Cytology Laboratorium, Gynecology Specialistic Division, Department of Obstetrics and Gynecology, Dr. Cipto M…