S100A6 and cancer: For S100A1 (Fig. 2A: HR = 0.61, 95%CI: 0.42–0.90, p = 0.0123), S100A2 (Fig. 2B: HR = 0.65, 95%CI: 0.45–0.96, p = 0.0297) and S100A6 (Fig. 2D: HR = 0.65, 95%CI: 0.44–0.96, p = 0.0288), their mRNA expression levels were associated with longer OS in luminal A type cancers.