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How Olivia Munn's "no symptoms" breast cancer diagnosis sparked a lifesaving awareness mission

March 29, 2026 / 9:46 AM EDT / CBS News

How Olivia Munn's "no symptoms" breast cancer diagnosis sparked a lifesaving awareness mission

TL;DR

  • Olivia Munn was diagnosed with Stage 1 breast cancer in April 2023, discovered via a Lifetime Risk Assessment test.
  • She had no symptoms and a clear mammogram and ultrasound prior to diagnosis.
  • Munn underwent a double mastectomy, ovariectomy, and partial hysterectomy.
  • Her advocacy for the risk assessment test has resulted in a 4,000 percent increase in women taking it.
  • She emphasizes the importance of being present and grateful for everyday moments, especially after facing a life-threatening illness.
  • Munn is married to John Mulaney, and they have two sons.
  • She is currently filming for the Apple TV+ series 'Your Friends and Neighbors'.