preferred_name: Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed)
preferred_name_lc: anal intraepithelial neoplasia i and ii (ain i and ii) (histologically confirmed)
label: Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed)
label_lc: anal intraepithelial neoplasia i and ii (ain i and ii) (histologically confirmed)