?:definition
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Stage III includes: IIIA: (T3, N0, M0); IIIB: (T4, 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. T4: Tumor with invasion into any of the following: aorta (ascending, arch, or descending), arch vessels, intrapericardial pulmonary artery, myocardium, trachea, esophagus. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)
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