| ACR | Acute Cellular Rejection |
| AMR | Antibody-Mediated Rejection |
| IL-1β | Interleukin-1 beta |
| MMP | Matrix Metalloproteinase |
| MMP2 | Matrix Metalloproteinase 2 |
| MMP9 | Matrix Metalloproteinase 9 |
| IHC | Immunohistochemistry |
| ECM | Extracellular Matrix |
| ISHLT | International Society for Heart and Lung Transplantation |
| DSA | Donor-Specific Antibodies |
| EGFR | Epidermal Growth Factor Receptor |
| PECAM1 | Platelet and Endothelial Cell Adhesion Molecule 1 (CD31) |
| CD | Cluster of Differentiation |
| HE | Hematoxylin and Eosin |
| OR | Odds Ratio |
| CI | Confidence Interval |
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