July 10 (UPI) -- 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.

View this post on Instagram

A post shared by o l i v i a (@oliviamunn)

"You may know that when I talk about my own battle with cancer I bring up the Lifetime Risk Assessment test that saved my life. I never would've predicted it would save my mom's life as well."