Main Entry: lymph·an·gio·sar·co·ma Pronunciation: "lim-"fan-jE-O-(")sär-'kO-m& Function: noun Inflected Form: plurallymph·an·gio·sar·co·masorlymph·an·gio·sar·co·ma·ta/-m&t-&/ : a sarcoma arising from the endothelial cells of lymphatic vessels
lymphangiosarcoma lym·phan·gi·o·sar·co·ma (lĭm-fān'jē-ō-sär-kō'mə) n. An angiosarcoma in which the tumor cells originate from the endothelial cells of lymphatic vessels.