Outlined as two or even more vascular malformations located in just one lesion. Abnormalities inside the origin/training course/range of important blood vessels that have anatomical names Syndromes in which vascular malformations are complicated by signs other than vascular anomalies Vascular anomalies are birthmarks or growths made up of blood vessels https://www.sgvascularctr.com/service/vascular-malformations/