. >> reporter denise dador from our sister station in los angeles, has more on her emotional journeynd the help that she hopes to provide. >> right here in beautiful, beautiful, this moment on the red carpet at this year's oscars gave olivia munn an extra reason to celebrate. >> it may not have happened if she hadn't undergone a risk assessment for breast cancer in february of last year. on instagram, the actress says she was being proactive and took a genetic test that looks for 90 different breast cancer genes. she says she was negative for brca, but her ob-gyn decided to calculate her breast cancer risk assessment score. two months later, she was diagnosed with an aggressive form for him. >> do it for your baby. >> munn may not carry brca 1 or 2, or the dozens of other genes known to raise a woman's risk, but doctors remind us there are other genes we can't test for yet there are other mutations that we're simply not aware of and other contributing factors that may put one at high risk. munn then underwent a breast mri. doctors diagnosed her with luminal b cancer in both breasts,