Shannen Doherty is giving the world a more intimate look at her cancer journey. To mark Breast Cancer Awareness Month, Doherty revealed heartbreaking photos of herself as she went through treatment and made the decision to shave her head. Doherty, 50, was diagnosed with breast cancer in March 2015 and revealed to USA TODAY in August 2016 that it had spread to her lymph nodes. After undergoing a single mastectomy that year, she completed radiation and chemotherapy treatments in February 2017; she announced she was in remission two months later. “The unknown is always the scariest part,” she told USA TODAY in 2016. "Is the chemo going to work? Is the radiation going to work?