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Figure 2. Kaplan-Meier plots showing the difference in disease-free survival (DFS) according to the expression status of programmed death ligand-1 (PD-L1) SP142 in triple-negative breast cancer (TNBC). Patients whose tumor exhibits high PD-L1 expression (≥10%) show better DFS than those with low PD-L1 expression (<10%) TNBC (p=0.020).