Cytoplasmic and nuclear programmed death ligand 1 expression in peritumoral stromal cells in breast cancer: Prognostic and predictive value

Figure 2 Nuclear expression of programmed cell death protein 1 ligand 1 in lymphocytes of the peritumoral stroma. A: Absence of nuclear programmed cell death protein 1 ligand 1 (PDCD1 LG1) expression in lymphocytes; B: Presence of nuclear PDCD1 LG1 expression in lymphocytes. Immunohistochemistry staining with antibodies against PDCD1 LG1, 800 ×.