When the cervical Pap smear is positive.
D002294:Carcinoma, Squamous Cell / Q000628:therapy*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D065006:Papanicolaou Test; D002583:Uterine Cervical Neoplasms / Q000628:therapy*; D014626:Vaginal Smears