VAINListen to pronunciationAbnormal cells are found in tissue lining the vagina (birth canal). These abnormal cells may become cancer and spread into the vaginal wall. Also called vaginal intraepithelial neoplasia.More InformationVaginal Cancer TreatmentSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#