Correlation between Macrophage Polarization and PD-L1-Related Tumor Microenvironmental Alteration and Metastasis in Pancreatic Ductal Adenocarcinoma

Figure 3

Immunohistochemistry and quantification of EMT markers in in primary tumors and metastatic site. (a) Representative immunohistochemical image of E-cadherin in primary tumors and metastatic site. (b) Representative immunohistochemical image of ZEB1 in primary tumors and metastatic site. (c) Representative immunohistochemical image of N-cadherin in primary tumors and metastatic site. (d) Representative immunohistochemical image of Snail in primary tumors and metastatic site. ^∗∗∗ < 0.001; ns, not significant.

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