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

Figure 4

Spearman correlation analysis between the number of M2 macrophages infiltration in metastatic site and EMT markers. (a) There was no significant correlation between the number of M2 macrophages infiltration and E-cadherin in metastases. (b) Significant correlation was found between the number of M2 macrophages infiltration and E-cadherin in metastatic site.

(a)

(b)