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Frequency of BRCA gene mutations according to triple negative breast cancer (TNBC) status.
| ER/PR/Her2 TNBC vs. non (any+) | No. (%) BRCA positive
|
Total No. of cases* | ||
|---|---|---|---|---|
| BRCA1 | BRCA2 | Total | ||
| TNBC cases | 9 | 0 | 9 (27%) | 33 |
| Non-TNBC | 2 | 3 | 5 (8%) | 62 |
| All cases | 11 | 3 | 14 (15%) | 95 |
ER: estrogen receptor, PR: progesterone receptor, TNBC: triple negative breast cancer.
Excluded one case with unknown tumor receptor status.
