Olivia Munn has revealed her mother has been diagnosed with breast cancer, more than a year after the actress shared her own cancer diagnosis.

Munn urged others to take the free, online risk assessment that she credits with saving her and her mother's lives.

Breast cancer survivor Olivia Munn says her mother Kim is battling the same disease. "My mother was diagnosed with breast cancer," the Newsroom and Your Friends and Neighbors actress, 45, wrote on Instagram Wednesday.