Stage IIIA Thymus Epithelial Neoplasm AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage IIIA includes: T3, N0, M0. T3: Tumor with direct invasion into any of the following: lung, brachiocephalic vein, superior vena cava, phrenic nerve, chest wall, or extrapericardial pulmonary artery or veins. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - Stage IIIA Thymic Epithelial Neoplasm AJCC v8