Additional file 11.

Cumulative Kaplan-Meier curves for epithelial expression of POSTN. Probability of (a) overall survival (OS) and (b) disease free survival (DFS) for all patients; and probability of (c) OS and (d) DFS for only patients with ER positive tumours. P values were calculated by the log-rank test.

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Grigoriadis et al. Breast Cancer Research 2006 8:R56   doi:10.1186/bcr1604