Precursors to malignant melanoma.
D006801:Humans; D008545:Melanoma / Q000473:pathology*; D009316:National Institutes of Health (U.S.); D009506:Nevus / Q000151:congenital / Q000473:pathology*; D012878:Skin Neoplasms / Q000151:congenital / Q000473:pathology*; D014481:United States