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Table 1 Translation of AJCC groupings into summary staging for breast cancer.

From: Incidence of bone metastases and skeletal-related events in breast cancer patients: A population-based cohort study in Denmark

Stage

TNM categories

Localized

T1-4, N0, M0

Regional

T1-4, N1-3, M0

Distant

T1-4, N1-3, M1

0

Tis, N0, M0

I

T1, N0, 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

Any T, N3, M0

IV

Any T, Any N, M1