Aortic Angiosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant vascular neoplasm arising from the aorta.

**Synonyms:** - Angiosarcoma of Aorta - Angiosarcoma of the Aorta - Aortic Hemangiosarcoma - Hemangiosarcoma of Aorta - Hemangiosarcoma of the Aorta