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. 2020 Aug 27;8(2):e000597. doi: 10.1136/jitc-2020-000597

Figure 3.

Figure 3

Overall survival after brain metastasis diagnosis according to (A) PD-L1 BM expression, (B) CD8 peritumoral BM expression, and (C) CD8 intratumoral BM expression. Overall survival after primary tumor diagnosis, according to (D) PT PD-L1 expression, (E) PT CD8 peritumoral expression, and (F) PT CD8 intratumoral expression. Low CD8=groups 0 and 1 (<10% CD8 expression), high CD8 expression=groups 2 and 3 (≥40% CD8 expression), PD-L1 positive: ≥1%. BM, brain metastasis; PD-L1, programmed death ligand 1; PT, primary tumor.