Fig. 1: Representative mIF images of TNBC cores on FFPE TMA slides.

Spectral composite image of TNBC samples stained with A panel 1 and C panel 2. Individual marker expression in TNBC indicated by immunofluorescence staining with DAPI (blue), cytokeratins (cyan), CD3 (red) and CD8 (pink) in both panels (B, D); PD-1 (green), PD-L1 (brown) and CD68 (yellow) in panel 1 (B); and CD45RO (yellow), granzyme B (GB, brown) and Foxp3 (green) in panel 2 (D).