Whilst not directly defined as a transmittable cancer, the HPV virus family sure does come close. https://www.who.int/news-room/fact-sheets/detail/human-papill

Whilst not directly defined as a transmittable cancer, the HPV virus family sure does come close. https://www.who.int/news-room/fact-sheets/detail/human-papillomavirus-(hpv)-and-cervical-cancer https://www.who.int/news-room/fact-sheets/detail/human-papil...