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

a soft tissue vascular tumor of endothelial origin with a clinical course intermediate between benign hemangioma and malignant angiosarcoma. Primary malignant HEH of the liver is a rare tumor with ...