Of these, 19 patients with a total of 21 tumors had the BRCA1 mutation and eight patients with eight tumors had the BRCA2 mutation.

在这些病患当中，有19病患共有21个肿瘤具有BRCA1 突变，八位病患共八个肿瘤具有BRCA2 突变。

youdao

Only a fraction of breast cancers result from an inherited gene mutation. Those with a defect in BRCA1 have a 65 percent risk of getting it, on average.

只有一小部分的乳腺癌是由遗传性基因突变造成的。基因brca1有缺陷的人平均患上乳腺癌的几率是65%。

youdao

A simple blood test had revealed that I carried a mutation in the BRCA1 gene.

因为一项简单的血检显示，我的BRCA1基因存在突变。

youdao

We'd also need to know more about what a BRCA1 mutation means in the absence of family history.

CNN: What Angelina Jolie forgot to mention

One reckoning is that around 7% of breast cancers are related to the BRCA1 mutation, or the similar BRCA2.

BBC: Letter from America: Buy and cell

But she neglects to point out that 90% of these deaths have nothing to do with the BRCA1 mutation.

CNN: What Angelina Jolie forgot to mention