Shannen Doherty's breast cancer spreads to brain.

Shannen Doherty, known for her roles in Charmed and Beverly Hills, 90210, has revealed that her terminal breast cancer has spread to her brain. The 52-year-old actor shared a video of herself receiving radiation treatment on Instagram, receiving an outpouring of support from celebrities and fans. Doherty was first diagnosed with breast cancer in 2015, underwent a mastectomy and received chemotherapy and radiation treatment, and announced she was in remission in 2017. She revealed three years later that she had been diagnosed with terminal breast cancer.