NCIt definition : A low-grade malignant blood vessel neoplasm that arises from the liver. It is characterized
by the presence of epithelioid endothelial cells. The neoplastic cells are arranged
in cords and nests, which are embedded in a myxoid to hyalinized stroma. Patients
may be asymptomatic or present with an abdominal mass, ascites, and jaundice.;