(A) Progression-free survival curve in stage III/IV serous ovarian cancers patients with low or high levels of KRT5 (Affymetrix probe set 201820_at). (B) Overall survival curve in stage III/IV serous ovarian cancers patients with low or high levels of KRT5 (Affymetrix probeset 201820_at). (C) Progression-free survival curve in stage III/IV serous ovarian cancers patients with low or high levels of KRT6 (Affymetrix probeset 209126_x_at, which detects all KRT6 isoforms). (D) Overall survival curve in stage III/IV serous ovarian cancers patients with low or high levels of KRT6 (Affymetrix probeset 209126_x_at, which detects all KRT6 isoforms).