Olivia Munn breast cancer: Actress says she has Luminal B breast cancer, underwent double mastectomy [Video]

CHICAGO — Actress Olivia Munn announced in an Instagram post Wednesday morning that she has been diagnosed with breast cancer.

“I hope by sharing this it will help others find comfort, inspiration and support on their own journey,” she said.

She said she and her sister did genetic testing in an effort to be proactive about her health. Both tested negative for 90 different cancer genes.

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She also had a normal mammogram, but was diagnosed with Luminal B breast cancer in both breasts in 2023. The cancer is aggressive and fast-moving, she said.

Munn said her doctor decided to calculate her Breast Cancer Risk Assessment Score, which led to an MRI, ultrasound, biopsy and eventually double mastectomy.

She said in the past 10 months, she’s had four surgeries, and tended to …