a case-control study of 48 'negative ' cones , 47 cones containing intraepithelial neoplasia ( cin ) , 44 microcarcinoma containing cones and 27 occult ib containing cones has allowed five variables to be identified which can predict the presence of dysplastic or neoplastic tissue in the cone specimen .
C0878500
intraepithelial neoplasia
C0334044
dysplastic