| ALDH1 | Aldehyde dehydrogenase 1 |
| αSMA | α-Smooth muscle actin |
| CAF | Cancer-associated fibroblast |
| CAV1 | Caveolin-1 |
| Col | Collagen |
| CP | Chickenwire pattern |
| CSC | Cancer stem cell |
| ECM | Extracellular matrix |
| EMT | Epithelial-mesenchymal transition |
| ERT | Extremely randomized tree |
| FN | Fibronectin |
| FP | Fascicular pattern |
| HA | Hyaluronan |
| H&E | Hematoxylin and eosin |
| IRS | Immunoreactive score |
| ITG | Integrin |
| MMP14 | Matrix metalloproteinase 14 |
| NOS | Not otherwise specified |
| PC | Pancreatic cancer |
| PCC | Pancreatic cancer cell |
| PP | Periglandular pattern |
| ROI | Region of interest |
| SS | Staining score |
| TP | Tendon-like pattern |