Stage IVA Osteosarcoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IVA includes: Any T, N0, M1a, Any G. N0: No regional lymph node metastasis. M1a: Distant metastasis to lung. (AJCC 7th ed.)

**Synonyms:** - Stage IVA Osteogenic Sarcoma - Stage IVA Osteosarcoma