The BRCA gene test is a blood test that uses DNA analysis to identify harmful changes (mutations) in either one of the two breast cancer.
Learn about testing for inherited gene abnormalities. A genetic test involves giving a blood or saliva sample that can be analyzed to pick up.
Genetic Testing for Breast Cancer Multiple breast cancers in the same woman. The genetic test itself simply involves taking a small sample of blood or saliva.
In its early stages, breast cancer usually does not cause pain and may exhibit no noticeable symptoms. As the cancer progresses, signs and.
BRCA2 mutation never develop breast or ovarian cancer. A positive test result may also.