the failure rate among the 35 patients with carcinoma in situ was 20 % , a rate significantly higher than that seen in 108 patients with severe dysplasia ( 7 or 6.5 % ) or in mild and moderate dysplasia ( 4.4 % and 8.5 % , respectively ) .
C0007099
carcinoma in situ
C0334048
severe dysplasia