Olivia Munn simply revealed that she was identified with an “aggressive” and “fast-moving” type of breast most cancers, Luminal B, final yr that required her to have a double mastectomy.

In an Instagram put up on Wednesday, the actor, 43, stated she acquired the analysis in April 2023, simply months after she had a standard mammogram and underwent a genetic take a look at that screened for 90 totally different most cancers genes—all of which she stated she examined destructive for, together with BRCA. (BRCA1 and BRCA2 mutations are related to the next danger of breast most cancers.)

Even so, her ob-gyn additionally recommended they appear into her Breast Most cancers Threat Evaluation Instrument (BCRAT), or Gail Mannequin, rating, which assesses an individual’s danger of growing the situation based mostly on numerous elements like their age, household historical past, and the age at which they first gave start. A lifetime danger of at the very least 20% is taken into account excessive—and Munn’s, at 37%, warranted an MRI and biopsy, which revealed she had an aggressive type of most cancers known as Luminal B in each breasts.

“Prior to now 10 months, I’ve had 4 surgical procedures, so many days spent in mattress I can’t even depend, and have discovered extra about most cancers, most cancers therapy, and hormones than I ever might have imagined,” Munn wrote. “Surprisingly, I’ve solely cried twice. I suppose I haven’t felt like there was time to cry. My focus narrowed and I tabled any feelings that I felt would intervene with my skill to remain clear-headed.”

Based on the American Most cancers Society, the five-year survival price for breast most cancers is 99% if it’s detected early and localized (that means, it hasn’t unfold to different components of the physique). That’s why the CDC extremely encourages folks to look into their household historical past of breast most cancers if attainable—simply as Munn did.