"malignant hemangioma"@en . _:vb50940543 . _:vb50940545 _:vb50940544 . _:vb50940543 _:vb50940546 . _:vb50940547 . "disease_ontology"^^ . "DOID:0080189"^^ . _:vb50940547 . _:vb50940547 . . _:vb50940544 . _:vb50940543 . _:vb50940545 . _:vb50940546 _:vb50940545 . _:vb50940545 . "A cell type cancer of vascular origin that is characterized by the proliferation of endothelial cells in and about the vascular lumen."^^ . _:vb50940547 . _:vb50940546 . _:vb50940544 . . . . _:vb50940544 . _:vb50940547 . _:vb50940543 . _:vb50940546 . _:vb50940544 .