has material basis in germline mutation in RASA1 angioosteohypertrophic syndrome capillary malformation-arteriovenous malformation syndrome capillary malformation-arteriovenous malformation 1 https://github.com/monarch-initiative/mondo/issues/114 https://github.com/monarch-initiative/mondo/issues/9816 https://rarediseases.info.nih.gov/diseases/9787/parkes-weber-syndrome CMAVM1 OMIM:608355 OMIM:608354 RASA1-related capillary malformation-arteriovenous malformation MEDGEN:1648501 Orphanet:693907 ICD9:759.6 GARD:0009787 MONDO:0020783 SCTID:234143003 capillary malformation-arteriovenous malformation 1 UMLS:C4747394