disease arises from structure disease arises from alteration in structure blood vessel endothelial cell hemangioma https://github.com/monarch-initiative/mondo/issues/9097 https://www.malacards.org/card/hemangioma ICD9:228.00 MEDGEN:5477 UMLS:C0018916 NCIT:C3085 ICD9:228.09 benign hemangioma ICD9:228.0 ONCOTREE:HEMA hemangioma, benign A benign vascular lesion characterized by the formation of capillary-sized or cavernous vascular channels. HP:0001028 MONDO:0006500 hemangioma ICDO:9120/0 EFO:1000635 SCTID:400210000 MESH:D006391 DOID:255 ICD10CM:D18.0 benign blood vessel neoplasm