PAP Bethesda System CIN Histological
classification
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Class I Normal Normal Normal
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Class II ASC-US Atypia Atypia
ASC-H
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Class III LSIL CIN 1 including Koilocytosis
flat condyloma
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Class III HSIL CIN 2 Moderate dysplasia
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Class III HSIL CIN 3 Severe dysplasia
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Class IV HSIL CIN 3 Carcinoma in situ
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Class V Invasive carcinona \"-\" \"-\"