Olivia Munn reveals she had double mastectomy after cancer diagnosis

Munn posted a video and photos of her being treated on Instagram and said it saved her life'

Olivia Munn has revealed that she was diagnosed with breast cancer and underwent a double mastectomy, thanking her doctors and urging fans to calculate their own risk assessment.

I'm lucky. We caught it with enough time that I had options. I want the same for any woman who might have to face this one day," the 43-year-old actor posted on Instagram on Wednesday with photos and a video of her being treated at a hospital.