A man, who dicd of internalbleeding (hemoperitoncum), had a dark-red sponge-like node 15x10 cm in size in the subcapsular region of the liver.The node is clearly separated from the surrounding tissues. Microscopically, the node tissue consists of large vascular thin-walled cavities. lined with endothcliocytes and filled with-liquid or coagulated btood.What typc of tumor is it?