<unk> s make up one of the classifications of<unk>  anomalies. The other grouping is<unk>  malformations.<unk> s can be further subclassified as being benign, borderline or aggressive, and malignant.<unk> s are described as proliferative, and<unk>  malformations as nonproliferative.
Vascular tumor
Angioma
Lymphangioma
Aneurysm
Benign tumor
Venous thrombosis
Vascular malformation
Hemangioma