Epithelioid angiosarcoma of the liver: report of two cases and review of the literature.

Angiosarcoma is a malignant tumor of endothelial origin. Epithelioid angiosarcoma is a subtype of angiosarcoma, in which the malignant endothelial cells have a predominantly epithelioid appearance. So far, few cases of primary hepatic epithelioid andiosarcoma (PHEA) have been described.