Preferred Label : High Grade Intraepithelial Neoplasia;
NCIt definition : A precancerous neoplastic process that affects the squamous, glandular, or transitional
cell epithelium without evidence of invasion. According to the degree of nuclear atypia,
number of mitotic figures, and presence of architectural distortion, it is classified
as grade II (moderate dysplasia) or grade III (severe dysplasia).;