Noun
angioendothelioma (plural angioendotheliomas or angioendotheliomata)
English Wikipedia has an article on:hemangioendotheliomaWikipedia
Any of several subtypes of hemangioendothelioma.
endovascular papillary angioendothelioma (papillary intralymphatic angioendothelioma)
myoid angioendothelioma