Table 2 Breast tumor samples and their corresponding immunohistochemistry (IHC), chromogenic in situ hybridization (CISH) results, and tumor histologic grade
IHC score | No. of tests | CISH amplification | Histologic grade | ||||
|---|---|---|---|---|---|---|---|
| Â | Â | Negative | Low | High | 1 | 2 | 3 |
0 | 40 | 40 | 0 | 0 | 1 | 33 | 6 |
1+ | 40 | 40 | 0 | 0 | 3 | 28 | 9 |
2+ | 40 | 22 | 8 | 10 | 0 | 24 | 16 |
3+ | 40 | 0 | 9 | 31 | 0 | 27 | 13 |
Total | 160 | 102 | 17 | 41 | 4 | 112 | 44 |