Breast Cancer Res Treat. 2011 Dec;130(3):725-34. doi: 10.1007/s10549-011-1748-z. Epub 2011 Sep 4.

Esserman L.J., Shieh Y., Rutgers E.J., Knauer M., Retèl V.P., Mook S., Glas A.M., Moore D.H., Linn S., van Leeuwen F.E., van ‘t Veer L.J.

In women aged 49-60, the time period of diagnosis significantly affects the proportion of cancers that were NKI 70-gene low risk: 40.6% (67/165) compared with 58% (119/205) for Cohorts 1 and 2, respectively.

Read more: Impact of Mammographic Screening… Esserman et al_Breast Cancer Res Treat. 2011