| BM | Basement membrane |
| CAFs | Cancer-associated fibroblasts |
| CK14 | Cytokeratin 14 |
| COL1A1 | Collagen like type I |
| CTLA-4 | Cytotoxic T-lymphocyte associated protein 4 |
| CXCL14 | Chemokine (C-X-C motif) ligand 14 |
| DCIS | Ductal carcinoma in situ |
| DCIS-Mi | DCIS with microinvasion |
| DCs | Dendritic cells |
| DFS | Disease-free survival |
| ECM | Extracellular matrix |
| EMT | Epithelial–mesenchymal transition |
| ER | Estrogen receptor |
| EZH2 | Enhancer of zeste homolog 2 |
| HDAC | Histone deacetylases |
| HER2 | Human epidermal growth factor 2 |
| HR | Hormone receptor |
| IDC | Invasive ductal carcinoma |
| IL-6 | Interleukin-6 |
| lncRNA | Long noncoding RNA |
| LSD1 | Lysine-specific demethylase 1 |
| MECs | Myoepithelial cells |
| miRNA | MicroRNA |
| MMP3 | Matrix metalloproteinase-3 |
| MSCs | Mesenchymal stem cells |
| NK | Natural killer |
| PD-1 | Programmed cell death receptor 1 |
| PD-L1 | Programmed death-ligand 1 |
| PR | Progesterone receptor |
| PRC2 | Polycomb repressive complex 2 |
| SMMHC | Smooth muscle myosin heavy chain |
| TAMs | Tumor-associated macrophages |
| TCF7 | T-cell factor 7 |
| TGFβ1 | Transforming growth factor beta 1 |
| TIGIT | T cell immunoreceptor with immunoglobulin and ITIM domain |
| TILs | Tumor-infiltrating lymphocytes |
| TME | Tumor microenvironment |
| TNBC | Triple-negative breast cancer |
| Tregs | Regulatory T cells |
| VEGF | Vascular endothelial growth factor |
| α-SMA | α-Smooth muscle actin |