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. 2018 Nov 21;13:91. doi: 10.1186/s13000-018-0766-0

Fig. 4.

Fig. 4

Inter-pathologist correlation of clone SP142 and clone 28–8 PD-L1 expression analysis. Scatter plot comparing the percentage of positive PD-L1 expression in tumor cell (a) and stromal/immune cell (b) from pathologist 1 and 2 using clone SP142. Scatter plot comparing the percentage of positive PD-L1 expression in tumor cell (c) and stromal/immune cell (d) from pathologist 1 and 2 using clone 28–8