Oftentimes, when a woman gives birth, she either tears her perineum or her doctor must make a cut in it to widen the opening of the vagina, also known as an episiotomy. Perineal tears and ...

IA Tumor confined to the vulva or perineum, ≤ 2cm in size with stromal invasion ≤ 1mm, negative nodes IB Tumor confined to the vulva or perineum, > 2cm in size ...