Mediastinal Angiosarcoma

**Semantic type:** Neoplastic Process

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

**Synonyms:** - Angiosarcoma of Mediastinum - Angiosarcoma of the Mediastinum - Hemangiosarcoma of Mediastinum - Hemangiosarcoma of the Mediastinum - Mediastinal Hemangiosarcoma