NCIt synonyms : Vaginal Intraepithelial Neoplasm; Intraepithelial Neoplasm of the Vagina; Intraepithelial Neoplasm of Vagina; VAIN; Intraepithelial Neoplasia of Vagina; Intraepithelial Tumor of Vagina; Vaginal Intraepithelial Tumor; Intraepithelial Neoplasia of the Vagina; Intraepithelial Tumor of the Vagina; Vaginal Squamous Intraepithelial Lesion; Vaginal SIL;
NCIt definition : A superficial neoplastic process involving exclusively the vaginal squamous epithelium
without extension to underlying tissue. It is classified as low- or high-grade intraepithelial
neoplasia.;