Fig. 5: Postoperative ctDNA MRD detection and prognosis of TNBC patients.

Kaplan–Meier analysis of EFS (A) and DRFS (B) stratified by longitudinal ctDNA MRD status in 82 patients. C Swimming plot showing the MRD test history of all 15 patients with recurrence. Survival analyses were performed using the Kaplan–Meier method. p values were calculated using the log-rank test. Hazard ratios (HR) and the corresponding confidence intervals (CI) were calculated using the Cox regression models. MRD micro residual disease. Source data are provided as a Source Data file.