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What innovators—and Olivia Munn—are teaching women about catching breast cancer earlier

Emma Hinchliffe
By
Emma Hinchliffe
Emma Hinchliffe
Most Powerful Women Editor
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Emma Hinchliffe
By
Emma Hinchliffe
Emma Hinchliffe
Most Powerful Women Editor
Down Arrow Button Icon
March 30, 2026, 12:34 PM ET
Olivia Munn was honored by the Shift for spreading awareness of the lifetime risk assessment test for breast cancer.
Olivia Munn was honored by the Shift for spreading awareness of the lifetime risk assessment test for breast cancer. Huy Luong

Happy Monday, MPW Daily readers. I just got back from Cambridge, where I spent this weekend at a special event and gala hosted by the Shift. If you subscribe to this newsletter but haven’t come across the Shift, I promise you’d like it—it’s a media platform devoted to women shifting culture. Run by a team of editors and launched in partnership with the famous celebrity photographer duo Inez and Vinoodh, it brings an editorial lens to features about everyone from Gloria Steinem and Amal Clooney to Billie Eilish and Selena Gomez.

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The Shift hosted its inaugural gala at Harvard Art Museums on Friday. In the leadup to the evening, I had the pleasure of moderating an afternoon conversation on, once again, one of my favorite themes in this work: women’s health. Specifically, this conversation focused on game-changing efforts to detect breast cancer earlier and more easily, especially in women with dense breasts.

Kriti Lall is an investor at Perceptive Advisors. Raluca Dinu is the CEO of QT Imaging, an almost $19-million-in-revenue publicly traded company that sells a breast imaging system that relies on ultrasound technology, intended to supplement traditional mammography. Jaime LaMontagne is the CMO of Astrin Biosciences, which is developing a blood test for breast cancer. Both of their companies aim to better detect breast cancer in women with dense breasts, for whom mammography is often not enough.

In addition to saving lives, that’s also now a mission with a strong business case in the U.S.; as of 2024, doctors must notify patients whether they have dense breasts. Previously, women often did not know or were not told whether they fell in the category, even though nearly half of women in the U.S. do. It’s also a mission with a huge international market; in Asian countries, 75-80% of women have dense breasts, Dinu says. “Women are looking for solutions today,” she adds.

From this work, we can extrapolate ways to achieve other kinds of health equity. How can we reach other missed populations? For example, MRIs can catch these cancers better than mammography, but not everyone has access to a MRI whether because of where they live or their insurance plan. “If you don’t have access to that technology, if there’s no awareness of it, it can’t reach women,” says Dinu. “We’re looking at this blood test to truly be able to drive access around the country for women that don’t have don’t have access to a mammogram, or don’t have access to that supplemental screening,” LaMontagne says of her work at Astrin.

Later in the day, we saw this conversation come to life in another way. The Shift was joined by Olivia Munn, the actress who shared her story of being diagnosed with breast cancer shortly after a clear mammogram after her doctor encouraged her to take a lifetime risk assessment test. After she spoke about the test, it saw a 4,000% increase in women taking it. That was why Munn said she decided to share her experience—because there was a specific, actionable way it could help people through this risk assessment test. She made the decision when she saw a photo on her phone of her playing with her young son—during a time in which the cancer was growing in her body, without her knowledge. “I knew in that moment, how many other women are walking through life thinking they’ve done everything right, and there’s a cancer growing in their body?”

“Olivia did an amazing job starting that conversation about understanding your risk,” LaMontagne says. “More and more physicians are doing that test.”

The Shift honored Munn with an award as one of its “Shiftmakers” on Friday night, alongside The Summer I Turned Pretty star Lola Tung, Olympian Eileen Gu, and Dr. Sylvia Earle, the legendary marine biologist. All in all, an inspiring evening—thanks to women whose efforts will impact other women for generations to come.

Emma Hinchliffe
emma.hinchliffe@fortune.com

The Most Powerful Women Daily newsletter is Fortune’s daily briefing for and about the women leading the business world. Subscribe here.

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One of the most essential patents for bras wasn't updated for 88 years. That's just one tidbit from my colleague Sydney Lake's latest Fortune interview with Bree McKeen, ex-VC turned founder of the brand Evelyn & Bobbie. 

Paramount has an interesting hiring strategy. Its exec and talent list includes multiple men accused of various sexual harassment, misconduct, and inappropriate behavior. Beth Kowitt writes for Bloomberg that it seems Paramount is viewing the men of #MeToo as "distressed assets," a way to acquire talent on the cheap. 

What will the impact of the IOC's ban on trans athletes be? Athlete Caster Semenya, who has been at the center of many controversies due to her naturally high testosterone level, is calling for others to speak up, including Olympic governing bodies in Africa. "For you as a woman, why will you be tested to prove that you fit? It’s like now we need to prove that we are worthy as women to take part in sports," she said. 

ON MY RADAR

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PARTING WORDS

"It's just math."

— What Nobel Laureate Claudia Goldin said to WNBA players to ease fears during negotiations. She helped them secure a 400% raise, what she believes is the largest pay increase ever negotiated by any union. 

This is the web version of MPW Daily, a daily newsletter for and about the world’s most powerful women. Sign up to get it delivered free to your inbox.
About the Author
Emma Hinchliffe
By Emma HinchliffeMost Powerful Women Editor
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Emma Hinchliffe is Fortune’s Most Powerful Women editor, overseeing editorial for the longstanding franchise. As a senior writer at Fortune, Emma has covered women in business and gender-lens news across business, politics, and culture. She is the lead author of the Most Powerful Women Daily newsletter (formerly the Broadsheet), Fortune’s daily missive for and about the women leading the business world.

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