[Intraepithelial neoplasia involving the squamous and transitional zones of the anal canal. The epithelial cells exhibit mild dysplasia (grade I intraepithelial neoplasia). ( NCI )]
UMLS (NCI) C1334412Low-Grade Intraepithelial Neoplasia of Anal Canal
Low-Grade Intraepithelial Neoplasia of the Anal Canal