Hepatic epithelioid hemangioendothelioma (HEH ... of HEH are heterogeneous and vary from the complete lack of signs and symptoms to portal hypertension or hepatic failure. At the time of diagnosis ...

Vascular tumors of the liver in adult patients include cavernous hemangioma, a common benign tumor; epithelioid hemangioendothelioma, a rare, usually low-grade malignant tumor; and angiosarcoma ...