After chemotherapy didn’t work to treat Laura’s stage 4 breast cancer, her doctor ordered a biomarker test, which is a test to find errors or changes in a gene’s DNA that cause cancer. Laura and her doctor discussed her biomarker test results and decided together on a targeted treatment, which saved her life. Laura’s discussion with her doctor also led to her family members getting genetic tests to learn if they have a gene that raises their chances of getting cancer.
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