label: Stage I Breast Cancer AJCC v6
label_lc: stage i breast cancer ajcc v6
description: Stage 1 includes T1, NO, MO.  T1: Tumor 2.0 cm or less in greatest dimension.  T1mic: Microinvasion 0.1 cm or less in greatest dimension.  N0: No regional lymph node metastasis.  M0: No distant metastasis. (AJCC 6th Ed.)-2003