After Olivia Munn was diagnosed with breast cancer in 2023, she urged her mom and sister to take a risk assessment test.

The 'Your Friends & Neighbors' star said she and her mom were there for each other for both of their double mastectomy surgeries: "There's something about watching a loved one go through it that is even more heartbreaking.

Olivia Munn has for more than a year been speaking out about the importance of a breast cancer risk assessment test that helped lead to her diagnosis in 2023, and she has now shared that the same test also led to her mother’s breast cancer diagnosis.