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The overall survival (OS) and cancer specific survival (CSS) curves of epithelial ovarian cancer patients according to the cutoff points based on LODDS. OS A. and CSS B. are plotted using the Kaplan-Meier method and analyzed by the log-rank test (P<0.001). Abbreviation: OS, overall survival; CSS, cancer specific survival; LODDS, log of odds between the number of positive lymph node (PLNs) and number of negative nodes.
