Fig. 2From: 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 failure (TTF) curve. Median TTF was 3.7 months (95% CI 2.9–4.5) (n = 31).Back to article page