Fig. 1From: Programmed death ligand 1 expression in diffuse large B cell lymphoma: correlation with clinicopathological prognostic factorsImmunohistochemical expression of PD-L1 in DLBCL: photomicrograph a shows low PD-L1 expression. Photomicrograph b shows high PD-L 1 expression. PD-L1 is expressed in the cytoplasm and cell membrane in lymphoma cells as well as the non-lymphoma cells using modified combined positive scoreBack to article page