Table 3.

Survival according to breast cancer stage.

Stage	5 years	10 years	20 years
0	99.0%	97.7%	90.4%
I	96.1%	86.3%	64.0%
IIA	92.4%	80.9%	54.4%
IIB	92.7%	79.7%	42.2%
III	79.3%	58.5%	43.2%

∗For stage IV, median survival was 63.3% in 30 months.