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.

Actor Olivia Munn, who was diagnosed with breast cancer in 2023, is revealing that her mother has now also been diagnosed with the disease after taking the Tyrer-Cuzick risk assessment test. Dr. Elisa Port,

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