Stage IVA Thyroid Gland Anaplastic Carcinoma AJCC v7

**Semantic type:** Neoplastic Process

**Definition:** Stage IVA includes: T4a, Any N, M0. T4a: Intrathyroidal anaplastic carcinoma. M0: No distant metastasis. (AJCC 7th ed.)

**Synonyms:** - Stage IVA Thyroid Gland Undifferentiated (Anaplastic) Carcinoma AJCC v7 - Undifferentiated (Anaplastic) Stage IVA Thyroid Gland Cancer