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Olivia Munn Reveals Mother’s Early-Stage HER2-Positive Breast Cancer Detected by Risk Assessment

Using the lifesaving tool that flagged her mother’s high risk, Munn is now urging gynecologists nationwide to include risk assessments in routine care.

Olivia Munn with her mother Kim during chemotherapy.
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Overview

  • On July 9, Olivia Munn announced on Instagram that her mother, Kim Munn, received a stage 1 HER2-positive breast cancer diagnosis following a lifetime risk assessment.
  • A Tyrer-Cuzick score of 26.2 percent prompted an MRI despite clear mammograms, leading to the cancer’s early detection.
  • Kim Munn has completed 12 rounds of chemotherapy, undergone a double mastectomy and immunotherapy, and will continue monthly Herceptin infusions through fall.
  • Mother and daughter share the same oncologist, highlighting their intergenerational bond and mutual support throughout treatment.
  • Drawing on her own journey, Munn is campaigning for the integration of personalized risk assessments into standard women’s health screenings.