<prompt> In Bethesda system, in LSIL histologic changes are seen in:Basal One ThirdBasal Half To Two ThirdWhole thickness except superficial layersWhole Thickness  <response>: CIN Bethesda System Description CIN I LSIL Dysplastic cells in lower 13 of cervix CIN II HSIL Dysplastic cells upto 23of cervix CIN III HSIL Dysplastic cells in 23 of cervix Carcinoma in situ HSIL Dysplastic cells in full thickness but basement membrane is intact 