[Stage II includes: Any pT, N1-3, M0, SX. N1: Metastasis in a single lymph node, 2 cm or less in greatest dimension. N2: Metastasis in a single lymph node, more than 2 cm but not more than 5 cm in greatest dimension; or multiple lymph nodes, none more than 5 cm in greatest dimension. N3: Metastasis in a lymph node more than 5 cm in greatest dimension. M0: No distant metastasis. (AJCC 6th ed.) - 2003 ( NCI )]
UMLS (NCI) C0855195