Giant hairy nevus of the back.
Saraiya
H
H
D001415:Back; D002648:Child; D005260:Female; D006801:Humans; D009508:Nevus, Pigmented / Q000473:pathology / Q000601:surgery*; D012878:Skin Neoplasms / Q000473:pathology / Q000601:surgery*; D016038:Skin Transplantation