Stage III includes: (T1, N2, M0); (T2a, N2, M0); (T2b, N2, M0); (T3, N0, M0); (T3, N1, M0); (T3, N2, M0). T3: Tumor involves bony structures and/or paranasal sinuses. N2: Bilateral metastasis in lymph node(s), 6 cm or less in greatest dimension, above the supraclavicular fossa. M0: No distant metastasis. (AJCC 6th ed.) [from NCI]