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. 2017 Jun 10;6(7):1614–1626. doi: 10.1002/cam4.1087

Figure 3.

Figure 3

PD‐1 and PD‐L1 expression and the association between PD‐L1 expression and immune cell infiltrates in primary PDA lesions. (A) Representative staining patterns for PD‐1 and PD‐L1 immunohistochemistry in primary PDA lesions. (B, C) Association between PD‐L1 expression and the number of tumor‐infiltrating CD68+ cells (B) or FoxP3+ cells (C). On each box, the central mark is the median, and the edges of the box are the 25th and 75th percentiles. Dots represent individual patients. The number of positive cells shown is the total number of positive cells in three high‐power fields.