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IHC Staining Pattern Results
| Staining pattern | Cases, n | Cases, % |
|---|---|---|
| MLH1−/PMS2− | 15 | 19.2 |
| MSH2−/MSH6− | 1 | 1.3 |
| MSH6− | 1 | 1.3 |
| PMS2− | 1 | 1.3 |
| All retained | 60 | 76.9 |
| Total | 78 | 100 |
IHC, immunohistochemistry analysis; MLH1, mutL homolog 1; MSH2, mutS homolog 2; MSH6 mutS homolog 6; PMS2, PMS1 homolog 2.
