Table 1.

Summary of the common types of sarcomas of the great vessels

Histologic Type	Cell of Origin	Histologic feature	Immunohistochemical
Angiosarcoma	Blood vessels	Endothelial cells	Vimentin, Factor VIII, CD 34
Leiomyosarcoma	Smooth muscle	Spindle shape	Desmin, Actin
Intimal	Unknown	Undifferentiated cells	Varies