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Olivia Munn’s Mother Diagnosed With Early-Stage HER2-Positive Breast Cancer

The diagnosis follows a 26.2% lifetime risk score on the Tyrer-Cuzick assessment that prompted an MRI

Olivia Munn with her mother Kim during chemotherapy.
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Overview

  • After Olivia Munn’s 2023 luminal B diagnosis, she urged her mother to take the Tyrer-Cuzick Breast Cancer Lifetime Risk Assessment test.
  • Kim Munn’s 26.2% risk score exceeded the 20% high-risk threshold, leading Olivia to insist on an MRI despite a clear mammogram.
  • The MRI detected Stage 1 HER2-positive cancer and Kim Munn subsequently underwent a double mastectomy.
  • Kim Munn has completed 12 rounds of chemotherapy and will continue monthly Herceptin infusions through the fall.
  • Olivia Munn is amplifying calls for women to begin risk assessments at age 30 and to combine mammograms with MRI when scores top 20%.