label: Stage IIIB Breast Cancer AJCC v7
label_lc: stage iiib breast cancer ajcc v7
description: Stage IIIB includes: (T4, N0, M0); (T4, N1, M0); (T4, N2, M0).  T4: Tumor of any size with direct extension to the chest wall and/or to the skin (ulceration or skin nodules).  N0: No regional lymph node metastasis.  N1: Metastasis to movable ipsilateral level I, II axillary lymph node(s).  N2: Metastases in ipsilateral level I, II axillary lymph nodes that are clinically fixed or matted; or in clinically detected ipsilateral internal mammary nodes in the absence of clinically evident axillary lymph node metastases.  M0: No clinical or radiographic evidence of distant metastasis.  M0 includes M0(i+).  (AJCC 7th Ed.)