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Kaplan–Meier analysis of progression-free survival (PFS) patients in stage III–IV ovarian cancer patients (n = 29). (A) Patients with higher cfDNA concentration had significantly worse PFS (p = 0.005 by log-rank test). (B) Presence/absence of pathogenic mutation did not significantly associate with PFS (p = 0.864). (C) bTMB level was not significantly associated with PFS (p = 0.313).
