CBX6 and ovarian cancer: Upregulation of CBX6 mRNA had no effect on OS (HR = 1.12 (0.98 - 1.28), P = 0.1 (Figure 4A)) for all ovarian cancer patients, but was related to a worse PFS (HR = 1.22 (1.08 - 1.39), P = 0.0016 (Figure 4B)) for all ovarian cancer patients.