| PDAC | Pancreatic ductal adenocarcinoma |
| TCGA | The Cancer Genome Atlas |
| DFS | Disease-free survival |
| OS | Overall survival |
| αSMA | α-smooth muscle actin |
| FAPα | fibroblast activation protein-α |
| S1PR | Sphingosine-1-phospate receptor |
| ANGPT | Angiopoietin |
| VEGF | Vascular endothelial growth factor |
| GSEA | Gene set enrichment analysis |