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 ...

Hemangioma(s) are asymptomatic ... are helpful in inducing remission of disease. Angiosarcoma is seen primarily on the head and neck of elderly patients, males twice as frequently as females.

Hepatic angiosarcoma is an extremely rare disease entity that accounts for approximately 0.1%–2% of primary liver malignancy. It is three times more common in men than women and usually affects the ...