Olivia Munn was diagnosed with Stage 1 breast cancer in April 2023, a diagnosis that came without warning and no symptoms to speak of.

No red flags had been raised during her routine mammogram and ultrasound tests, leaving doctors stunned when the simple Lifetime Risk Assessment test caught it. This test – something many women have never even heard of before her case – ultimately led to Olivia Munn stepping forward instead of stepping back.

She underwent aggressive treatment, including a double mastectomy, ovariectomy, and partial hysterectomy, and then did something that often terrifies public figures: she shared it all openly, in real time. The impact has been hard to ignore, with thousands more women checking their own risk levels since Olivia Munn began speaking about the risk assessment test.

The ripple effect of Olivia Munn’s journey isn’t just her medical battle – it’s the clarity she brings to it, highlighting a difficult truth: breast cancer doesn’t always announce itself. It can sit quietly, undetected, even when routine screenings suggest everything is fine.

As Olivia Munn navigates life as a mother and partner, her husband John Mulaney remains closely involved throughout her treatment, helping manage the emotional weight of it all in his own way, while their young children Malcolm and Mei Mei serve as a constant reminder of what’s at stake – and what’s worth holding onto.