<prompt> CIN III progresses to carcinoma in how many of cases255060  <response>: CIN: Cervical intraepithelial neoplasia-pa or whole of the thickness of cervical squamous epithelium is replaced by the cell of varying degrees of atypiaCIN: Microinvasive carcinoma- invasive carcinoma cervix over several yearsMostly asymptomatic, diagnosed by routine screening done yearly after women become sexually active. If 3 consecutive smears normal in a low risk woman do once in 3 yearsCIN I-Abnormality in lower 13rd of epitheliumCIN II-Abnormality in lower 23rd of epitheliumCIN III-Abnormality in 23rd of epitheliumHigh-risk factor--Age 18 yr at the initiation of coitusMultiple sex paners, the husband with multiple panersHPV infectionHigh oncogenic risk-type 16, 18, 31, 45, 56Low oncogenic risk-type 6, 11CMV, HSV II infectionSmokingPoor socioeconomic statusAneuploid lesionOral contraceptive use. 