Source:http://linkedlifedata.com/resource/umls/id/C2981236
NCI: Stage III includes: IIIA (T1-T2, N1, M0); IIIB (T3-T4, N1, M0); IIIC (Any T, N2, M0). N1: Metastasis in 1 to 3 regional lymph nodes. N2: Metastasis in 4 or more regional lymph nodes. M0: No distant metastasis. (AJCC 6th ed.)