Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12967-023-04051-4/MediaObjects/12967_2023_4051_Fig3_HTML.png)
Differences in immune profile between PDAC and adjacent noncancerous tissues. A–B Proportion of stromal cells and area were compared between two groups. C–F Density of immune markers were compared. G–I The PD-L1 expression was compared between two groups. J–K Correlation analysis was performed between stromal/tumor PD-L1 expression and density of CD68 + /PD1 + /CD8 + cells