Table 1: Characteristics of the primary antibodies.
| Marker | Clone | Species | Manufacturer | Dilution |
|---|---|---|---|---|
| ER | Sp1 | Rabbit mAb | Dako | Ready to use |
| PR | PGR636 | Mouse mAb | Dako | Ready to use |
| HER2 | CB11 | Mouse mAb | Dako | Ready to use |
| CK5/6 | D5/16B4 | Mouse mAb | Dako | Ready to use |
| EGFR | E30 | Mouse mAb | Dako | 1:100 |
| p16 | 16p07 | Mouse mAb | NeoMarkers | 1:25 |