PAK4 and ovarian cancer: The 203154_s_at probe showed that low Pak4 expression was correlated with better OS in ovarian cancer (HR = 1.22 (1.07–1.4), logrank P = 0.0038) as well as the PFS (HR = 1.22 (1.07–1.39), logrank P = 0.003) (Fig. 5).