Table 2 Immunohistochemical (IHC) test results.
From: Early-onset breast cancer in a Lebanese family with Lynch syndrome due to MSH2 gene mutation
| Â | Tumor tissue | Normal tissue |
|---|---|---|
hMLH1 | Positive | Positive |
hMSH2 | Negative | Positive |
hMSH6 | Negative | Positive |
PMS2 | Positive | Positive |
CK7 | Positive | Â |
CK20 | Negative | Â |