Objective To investigate the clinicopathological characteristics,differential diagnosis,and prognosis of primary hepatic angiosarcoma,and to review the literature.Methods Twenty cases of primary hepatic angiosarcoma were analyzed by gross examination and light Objective To investigate the clinicopathological characteristics, differential diagnosis, and prognosis of primary hepatic angiosarcoma, and to review the literature. Methods Twenty cases of primary hepatic angiosarcoma were analyzed by gross examination and light