PDGFB and cancer: In dataset2, mapping those uniquely selected genes by our method to cancer pathways left 12 genes, BID (GeneID: 637), CCNE2 (GeneID: 9134) [36], DVL3 (GeneID: 1857), FGF7 (GeneID: 2252), FGFR1 (GeneID: 2260), FGFR2 (GeneID: 2263), FZD4 (GeneID: 8322), MAP2K2 (GeneID: 5605), PDGFB (GeneID: 5155), PGF (GeneID: 5228) [37], PML (GeneID: 5371), and WNT1 (GeneID: 7471) (Table S2 in File S5).