Capillary Malformation-Arteriovenous Malformation 2, also known as cmavm2, is related to arteriovenous malformation and capillary malformations, congenital. An important gene associated with Capillary Malformation-Arteriovenous Malformation 2 is EPHB4 (EPH Receptor B4). Affiliated tissues include brain, and related phenotypes are capillary malformation and vein of galen aneurysmal malformation