Figure 2

Distant disease-free survival of 200 premenopausal patients with lymph node-negative breast cancer in relation to Ki67 status in (a) ER-positive patients and (b) ER-negative patients.
Distant disease-free survival of 200 premenopausal patients with lymph node-negative breast cancer in relation to Ki67 status in (a) ER-positive patients and (b) ER-negative patients.