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Munn's Cancer Score Dropped to Zero After Treatment
29 Mar
Summary
- Actress Munn's high cancer risk score of 37.3% reduced to zero.
- She underwent a double mastectomy, ovariectomy, and partial hysterectomy.
- Sharing her story online increased test uptake by 4,000 percent.

Actress Munn recently shared her personal health battle, revealing she had a cancer risk score of 37.3%, significantly higher than the 20% deemed high risk. Despite having no symptoms and clear previous screenings, she proactively underwent a double mastectomy, an ovariectomy, and a partial hysterectomy. As a result of these interventions, her current risk score has been reduced to zero.
Munn chose to transform her experience into a powerful advocacy tool. She openly documented her cancer journey online, inspiring countless women to consider similar risk assessments. This heightened awareness campaign has resulted in an astonishing 4,000 percent increase in women seeking the cancer risk assessment test. Her efforts highlight the importance of proactive health monitoring.
During this period, her husband, comedian John Mulaney, provided immense support, attending doctor's appointments and taking detailed notes on her treatment. The couple, who welcomed their son Malcolm in November 2021, also welcomed their second child, Mei June, in September 2024 via a gestational surrogate. Munn expressed profound emotions about not carrying Mei June but found grace with their surrogate.