| TIIC | Tumour-infiltrating inflammatory cell |
| APBI | Accelerated partial breast irradiation |
| TMA | Tissue microarray |
| TAM | Tumour-associated macrophage |
| CT | Central tumour |
| IF | Invasive front |
| prox | Normal tissue in tumour proximity |
| dist | Normal tissue sampled distant from the tumour |
| HR+/- | Hormone receptor positive/negative |
| BC | Breast cancer |
| RT | Radiotherapy |
| ER | Oestrogen receptor |
| PR | Progesterone receptor |
| TNBC | Triple-negative breast cancer |
| DFS | Disease-free survival |