Pair-wise functional overlap of the six breast cancer gene-signatures. 1. 70-gene profile 2. Wound response 3. Intrinsic subtype 4. Meta90 5. Recurrence score 6. Wang ER+ profile. A. The number of overlapping literature-defined oncogenic concepts (MCM) and the corresponding P-value heatmap indicating the significance of the overlap under bootstrapped null distribution. B. The number of overlapping pathway sets (MsigDB) and the corresponding P-value heatmap.