Fig. 6From: The prognostic and clinicopathological significance of PD-L1 expression in patients with diffuse large B-cell lymphoma: a meta-analysisForest plot describing the association between PD-L1 expression and clinical parameter features. a. B symptoms (t: yes; c: no). b. IPI score (t: 3–5; c: 1–2). event: positive PD-L1 expression; nevent: negative PD-L1 expressionBack to article page