Save this article to read it later.

Find this story in your accountsSaved for Latersection.

On Instagram, the actor wrote about the treatments she underwent, including a double mastectomy.

2024 Vanity Fair Oscar Party Hosted By Radhika Jones - Arrivals

I was diagnosed with breast cancer, she wrote.

I hope by sharing this it will help others find comfort, inspiration and support on their own journey.

Surprisingly, Ive only cried twice.

Munn said she had been diagnosed after a routine mammogram around February 2023.

The fact that she did saved my life, she wrote.

The biopsy showed I had Luminal B cancer in both breasts.

Luminal B is an aggressive, fast moving cancer.