Stage II includes: Any pT/TX, N1-3, M0, SX. pTX: Primary tumor cannot be assessed. N1: Metastasis with a lymph node mass 2 cm or less in greatest dimension; or multiple lymph nodes, none more than 2cm in greatest dimension. N2: Metastasis with a lymph node mass more than 2 cm but not more than 5 cm in greatest dimension; or multiple lymph nodes, any one mass greater than 2 cm but not more than 5 cm in greatest dimension. N3: Metastasis with a lymph node mass more than 5 cm in greatest dimension. M0: No distant metastasis. SX: Marker studies not available or not performed. (AJCC 6th and 7th eds.) [from
NCI]