Table 2. 7th Edition of American Joint Committee on Cancer Staging System for Breast Cancer.
Stage | Tumor | Node | Metastasis |
---|---|---|---|
0 | Tis | N0 | M0 |
IA | T1 | N0 | M0 |
IB | T0 | N1mi | M0 |
T1 | N1mi | M0 | |
IIA | T0 | N1 | M0 |
T1 | N1 | M0 | |
T2 | N0 | M0 | |
IIB | T2 | N1 | M0 |
T3 | N0 | M0 | |
IIIA | T0 | N2 | M0 |
T1 | N2 | M0 | |
T2 | N2 | M0 | |
T3 | N1 | M0 | |
T3 | N2 | M0 | |
IIIB | T4 | N0 | M0 |
T4 | N1 | M0 | |
T4 | N2 | M0 | |
IIIC | AnyT | N3 | M0 |
IV | AnyT | AnyN | M1 |
Tis = in situ, mi = micrometasis