Shannen Doherty Undergoes Surgery to Remove Tumor From Her Brain as She Battles Stage 4 Cancer

Shannen Doherty shares behind-the-scenes video before having surgery to remove a tumor in her head
Doherty expressed fear of not surviving the surgery and leaving her mother behind.
Doherty's cancer has spread from her breast to her brain, and she is undergoing radiation treatment.
Doherty wants to show the fear and turmoil that comes with battling cancer.
Doherty was first diagnosed with breast cancer in 2015, went into remission, and announced its return at stage 4 in 2020.