title: Definition of precursors.
mesh_terms: D000782:Aneuploidy; D001706:Biopsy; D002278:Carcinoma in Situ / Q000473:pathology; D004247:DNA / Q000032:analysis; D004273:DNA, Neoplasm / Q000032:analysis; D005260:Female; D006801:Humans; D008938:Mitosis; D011230:Precancerous Conditions / Q000473:pathology*; D012189:Retrospective Studies; D002578:Uterine Cervical Dysplasia / Q000473:pathology; D002583:Uterine Cervical Neoplasms / Q000473:pathology*; D014626:Vaginal Smears
chemical_list: D004273:DNA, Neoplasm; D004247:DNA