it was found that the subset of cases with severe dysplasia or carcinoma in situ ( cis ) were more likely to have a total dietary vitamin a intake below the pooled median ( 3,450 iu ) and/or a beta-carotene intake below the pooled median ( 2,072 iu ) than were normal controls ( p less than 0.05 and p less than 0.025 , respectively ) .
C0334048
severe dysplasia
C0007099
carcinoma in situ