| P450arom | cytochrome P450 aromatase |
| ER | estrogen receptor |
| TGFβ | transforming growth factor-beta |
| TIMPs | tissue inhibitors of matrix metalloproteinases |
| MMPs | matrix metalloproteinases |
| LET | letrozole |
| CTRL | control |
| VIT C | control supplemented with vitamin C |
| LET+C | letrozole supplemented with vitamin C |
| HE | hematoxylin and eosin staining |
| Me | median |
| X | mean |
| SD | standard deviation |
| rs | Spearman’s correlation |
| PI3K | phosphatidylinositol 3-kinase |
| MAPK | mitogen-activated protein kinase |
| ROS | reactive oxygen species |
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