Pulmonary Artery Intimal Sarcoma

**Semantic type:** Neoplastic Process

**Definition:** A sarcoma arising from the arterial intima of pulmonary arteries.

**Synonyms:** - Intimal Sarcoma of the Pulmonary Artery - PAIS - PAS - PIS - Pulmonary Artery Sarcoma - Pulmonary Intimal Sarcoma - Pulmonary artery intimal sarcoma