| Treg | Regulatory T lymphocytes |
| CD4 | Cluster of Differentiation 4 |
| CD25 | Cluster of Differentiation 25 |
| FOXP3 | Forkhead box P3 |
| TGFβ | Transforming Growth Factor Beta |
| IL-10 | Interleukin 10 |
| IL-1 | Interleukin 1 |
| MDSC | Myeloid-Derived Suppressor Cells |
| M-MDSC | Monocyte-like Myeloid-Derived Suppressor Cells |
| PMN-MDSC | Polymorphonuclear Myeloid-Derived Suppressor Cells |
| CD8+ | Cytotoxic T lymphocyte |
| NK | Natural Killer cells |
| PDAC | Pancreatic Ductal Adenocarcinoma |
| GM-CSF | Granulocyte-Macrophage Colony-Stimulating Factor |
| IL-13 | Interleukin 13 |
| HIFs | Hypoxia-Inducible Factors |
| TAMs | Tumor-Associated Macrophages |
| TNFα | Tumor Necrosis Factor Alpha |
| HIF2 | Hypoxia-Inducible Factor 2 |
| CAFs | Cancer-Associated Fibroblasts |
| myCAF | Myofibroblastic Cancer-Associated Fibroblasts |
| iCAF | inflammatory Cancer-Associated Fibroblasts |
| apCAF | Antigen-presenting Cancer-Associated Fibroblasts |
| ECM | Extracellular Matrix |
| CK-19 | Cytokeratin-19 |
| SOX9 | SRY-Box Transcription Factor 9 |
| FOLFIRINOX | Fluorouracil, Leucovorin, Irinotecan, Oxaliplatin |
| GnP | Gemcitabine and Nab-Paclitaxel |
| R-PDAC | Resectable Pancreatic Ductal Adenocarcinoma |
| BR-PDAC | Borderline Resectable Pancreatic Ductal Adenocarcinoma |
| MSI-high | Microsatellite Instability-high |
| PD-L1 | Programmed Death-Ligand 1 |
| MEK1/2 | Mitogen-Activated Protein Kinase ½ |
| CAR-T | Chimeric Antigen Receptor T-cells |
| CEA | Carcinoembryonic Antigen |
| PSCA | Prostate Stem Cell Antigen |
| MSLN | Mesothelin |
| ICIs | Immune Checkpoint Inhibitors |
| CXCL12 | C-X-C Motif Chemokine Ligand 12 |
| CCL2 | C-C motif chemokine 2 |
| NGF | Nerve Growth Factor |
| GDNF | Glial Cell-Derived Neurotrophic Factor |
| HGF | Hepatocyte Growth Factor |
| STAT3 | Signal Transducer and Activator of Transcription 3 |
| β2 | Beta-2 Adrenergic Receptor |
| TME | Tumor Microenvironment |
| OS | Overall Survival |
| DFS | Disease-Free Survival |
| PAR-2 | Protease-Activated Receptor 2 |
| ICPs | Immune Checkpoints |
| TANs | Tumor-Associated Neutrophils |
| FAP | Fibroblast Activation Protein |
| ERK | Extracellular Signal-Regulated Kinase |
| TILs | Tumor-Infiltrating Lymphocytes |
| PC | Pancreatic Cancer |
| CK-19 | Cytokeratin-19 |
| SEER | Surveillance, Epidemiology, and End Results Programme |
| PSC | Pancreatic Stellate Cells |
| PDGF | Platelet-derived growth factor |
| FGF | fibroblast growth factor |
| CTGF | Connective tissue growth factor |
| αSMA | α-smooth muscle actin |
| IGF1 | Insulin-like growth factor 1 |
| VEGF | Vascular endothelial growth factor |
| FSP1 | Fibroblasts-specific protein 1 |
| ETM | Endothelial-to-mesenchymal transition |
| SDF-1 | Stromal-derived factor-1 |
| ROS | Reactive Oxygen Species |
| NOXs | NADPH oxidases |
| ER | Endoplasmatic Reticulum |
| siRNAs | Small interfering RNAs |
| SMA+ | Alpha-smooth muscle actin |
| SHH, | Sonic Hedgehog Homolog |
| Ptch | Patched transmembrane protein |
| SMO | Smoothened transmembrane protein |
| GM-CSF | Granulocyte-macrophage colony-stimulating factor |
| TIMP | Matrix-metalloproteinases inhibitors |
| PDX | Patient-dervied xenografts |
| RA | Retinoid acid |
| ATRA | All-trans-retinoid-acid |
| HMGA1 | High mobility group A1 |
| ADM | Acinar-to-ductal metaplasia |
| GFRA1 | GDNF family receptor alpha 1 |
| PNI | Perineural invasion |
| L1CAM | L1 cell adhesion molecule |
| CSF1 | Colony stimulating factor 1 |
| ACh | Acetylcholine |
| AChR | Acetylcholine receptor |
| PAR-2 | Protease-activated receptor 2 |
| LTS | Long-time survivors |
| STS | Short-time survivors |
| 3-IAA | Indole-3-acetic acid |
| GP | Gammaproteobacterium |
| NSCLC | Non-small cell lung cancer |
| RCC | Renal cell cancer |
| TSAs | Tumor-specific antigens |
| GVAX | Pancreatic cancer cell line-based vaccine |
| BIRC5 | Baculoviral IAP Repeat Containing 5 |
| CCND1 | Cyclin D1 |
| CDH1 | Cadherin 1 |
| CD74 | Cluster of Differentiation 74 |
| COL6A3 | Collagen type VI alpha three chain |
| CTHRC1 | Collagen triple helix repeat containing 1 |
| IL-13RA2 | Interleukin 13 receptor subunit alpha 2 |
| LRP1 | Low-density lipoprotein receptor-related protein 1 |
| MAP1LC3A/B | Microtubule-associated protein one light chain three alpha/beta |
| MDK | Midkine |
| MYBL2 | MYB proto-oncogene like 2 |
| MYC | MYC proto-oncogene |
| PODXL | Podocalyxin-like protein |
| PTN | Pleiotrophin |
| SDC2 | Syndecan 2 |
| SDC3 | Syndecan 3 |
| SNCG | Synuclein gamma |
| TIMP2 | Tissue inhibitor of metalloproteinases 2 |
| VGF | VGF nerve growth factor |
| WASL | WASP-like actin nucleation-promoting factor |
| FAS | FAS cell surface death receptor |
| POP1 | Processing of precursor 1, ribonuclease P/MRP subunit |
| CADM4 | Cell adhesion molecule 4 |
| HPGD | 15-hydroxyprostaglandin dehydrogenase |
| CD11b | Cluster of differentiation 11b |
| VEGFR1 | Vascular endothelial growth factor receptor 1 |
| VEGFR2 | Vascular endothelial growth factor receptor 2 |
| VEGFR3 | Vascular endothelial growth factor receptor 3 |
| CSF-1R | Colony-stimulating-factor receptor 1 |
| TLR3 | Toll-like receptor 3 |
| PARP1 | Poly(ADP-ribose) polymerase 1 |
| PARP2 | Poly(ADP-ribose) polymerase 2 |
| LRRC15 | Leucine-rich repeat containing 15 protein |
| IGF1R | Insulin-like growth factor 1 receptor |
| HA | Hyaluronic acid |
| LIF | Leukemia inhibitory factor |
| FOLFIRINOX | 5-Fluorouracil, Irinotecan, Oxaliplatin, Leucovorin |