Fig. 5From: Heterogeneity of PD-L1 expression in primary tumors and paired lymph node metastases of triple negative breast cancerKaplan–Meier survival curve for disease-free survival and overall survival according to PD-L1 expression. a DFS was significantly worse in PD-L1 PT-/LNM+ and PT+/LNM+ patients. b OS was not significantly different among three groupsBack to article page