Fig. 1From: Combination chemotherapy with mitomycin C and methotrexate is active against metastatic HER2-negative breast cancer even after treatment with anthracycline, taxane, capecitabine, and vinorelbineKaplan–Meier time to progression (TTP) curve. Median TTP was 3.9 months (95% CI 2.5–5.3) (n = 23).Back to article page