Congenital nevi. The controversy rages on.
D000328:Adult; D006801:Humans; D009506:Nevus / Q000151:congenital / Q000601:surgery*; D009508:Nevus, Pigmented / Q000151:congenital / Q000601:surgery; D011230:Precancerous Conditions / Q000601:surgery*; D012306:Risk; D012878:Skin Neoplasms / Q000151:congenital / Q000601:surgery*