"Giant Congenital Nevus"^^ . "Giant Congenital NevusPTNCI" . "Benign"^^ . "Neoplastic Process"^^ . "Giant Congenital Nevus"^^ . "Bathing Trunk NevusSYNCI" . "C0334440"^^ . "Giant Pigmented Nevus of the SkinSYNCI" . "Giant_Pigmented_Nevus"^^ . . . "C4234"^^ . . "8761/1"^^ . "Giant Pigmented Nevus of SkinSYNCI" . "A rare melanocytic lesion occurring at birth, comprising at least 5% of the body surface area. It usually presents as a dark brown to black hairy lesion. Morphologically, it is characterized by the presence of a compound or intradermal nevus. There is an increased risk of malignant transformation to melanoma, rhabdomyosarcoma, and poorly differentiated malignant tumors.NCI" .