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Performance of BRCA2 immunohistochemistry (IHC) and BRCA mutation status.
| BRCA1 mutation (N = 9) | BRCA2 mutation (N = 6) | No BRCA1/2 mutation (N = 90) | |
|---|---|---|---|
| BRCA2 IHC loss (N = 24) | 6 (66.7%) | 3 (50%) | 15 (16.7%) |
| BRCA2 IHC intact (N = 81) | 3 (33.3%) | 3 (50%) | 75 (83.3%) |
