Olivia Munn

American actress Olivia Munn has revealed that she was diagnosed with breast cancer last year and has had four operations in 10 months

The actress said she learned about the cancer after getting tested for 90 different cancer genes and undergoing a mammogram

Olivia Munn has revealed she is privately battling breast cancer

Munn wrote, "Surprisingly, I only cried twice." “I guess I didn't feel like it was time to cry

Munn also said that she had a normal mammogram that winter, but was diagnosed with breast cancer two months later

The doctor determined that Munn's lifetime risk was 37%, based on several factors, including her age and family history

In her post, Munn urged followers to ask their doctors to calculate their breast cancer risk assessment score