Table 1.

Staging of breast cancer (the individual terms are explained in the glossary) (see text).

	TNM	Stage
Non-invasive	Tis	N0	M0	0
Early invasive	T1-2	N0-1	M0	I, II A or B
	T3	N0	M0	II B
Advanced
Locally advanced	Tany	N2	M0	III A
	T3	N1-2	M0	III A
	T4	N0-3	M0	III B
	Tany	N3	M0	III B
Metastatic	Tany	Nany	M1	IV