a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels
例句
Posterior segmentectomy of the liver was done and hepatic angiosarcoma was confirmed by histopathology.病人接受肝脏右后节叶切除术，病理组织证实为肝脏恶性血管肉瘤。
Primary renal angiosarcoma is a high-grade malignant vascular tumor with a dismal prognosis.摘要原发性肾脏血管肉瘤是一种高度恶性且预后极差的血管肿瘤。
