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Congenital vascular malformations (CVM) occur in about 1% of all births and can vary from simple, flat birthmarks to complex, 3-dimensional structures deep within the body. They can be made up of arteries, veins, lymph vessels, or a combination of these. They are usually present at birth, but are unlikely to be passed on from parent to child or for there to be more than one in any given person.
Congenital Vascular Malformations (CVM) Congenital vascular malformation (CVM) is a condition of bleeding or lymph fluid leaking, pooling under the skin, forming painful lumps. Congenital Vascular MalformationsCVM