Olivia Munn's "no symptoms" cancer diagnosis fueled lifesaving mission

Olivia Munn is known for commanding the screen, but successful caller years, she's taken connected a much idiosyncratic role: crab survivor, advocate, and mother.

In April 2023, Olivia Munn discovered she had Stage 1 bosom crab after taking the Lifetime Risk Assessment test, a escaped online Q&A that takes minutes to supply a people estimating your hazard of processing bosom crab successful your lifetime.

Anything supra 20% is considered precocious risk. Munn's hazard people was x37.3%.

"No symptoms. And I had a wide mammogram and a wide ultrasound," Munn told "CBS Sunday Morning."

Once she learned the diagnosis, she fought backmost with everything she had. She got a treble mastectomy, an ovariectomy and a partial hysterectomy. Now her people is zero.

Instead of recovering quietly, she sounded the alarm, posting online astir her crab and telling everyone who'd perceive astir the hazard appraisal test. In the years since Munn started sharing her story, the fig of women taking the trial has accrued by 4,000 percent.

"Knowing that it's truly changed truthful galore people's lives. It's been the astir astonishing thing. There's nary mode I could person ever predicted it," she said. 

In 2021, she started dating comedian John Mulaney. The 2 were joined successful 2024, and helium has been by her broadside each measurement of the mode during her bosom crab fight.

"There's nary amended idiosyncratic successful the satellite to maine than my husband. He is-- I mean, you've met him. He wanted to travel to each azygous doctor's appointment. He had his small notebook. You know? And he's got his notebook that helium writes each of his ideas for jokes and thing that comes to him done the day," Munn said. 

Munn said Mulaney jotted down notes astir crab and hormone therapy and helped lighten the mood.

"You know, having the wit to spell done it and having idiosyncratic who's truthful funny, it really– it conscionable lightens everything," she said.

Their lad Malcolm is 4 and daughter Mei Mei will beryllium 2 successful the fall. Being a genitor reminds her however accelerated beingness tin change.

"I accidental it's not the Christmases and the birthdays and the New Year's that we remember. Like, beingness happens connected a Tuesday. Like, it conscionable happens. And you cannot expect it. And truthful each day, you should conscionable beryllium truthful contiguous and grateful," Munn said, reminding parents to bask each the "tiny, small moments" with their children.

She continued, "And erstwhile you are faced with the anticipation of decease and not being here, it's-- for me, each I wanted were the small moments."

Thanks to Munn and her determination to stock her story, countless different women tin person a fewer much small moments, too.

Despite the challenges, Munn said she feels incredibly lucky. She doesn't presumption her acquisition arsenic thing crab has taken from her, but alternatively arsenic a reminder of however fortunate she is to inactive beryllium here.

"I'm truthful fortunate that I'm successful this chaos, and that I haven't slept successful a fewer days, and that I'm exhausted. It's a existent privilege to conscionable beryllium live successful the world," Munn said.

These days, Munn is keeping engaged connected set, filming her relation arsenic a devious divorcee successful the Apple TV+ bid "Your Friends and Neighbors," which returns for its 2nd play connected Friday, April 3, 2026.