Sarah, the Duchess of York, has undergone surgery after being diagnosed with breast cancer. A spokesperson says the 63-year-old was diagnosed with early-stage breast cancer following a routine mammogram. The spokesperson says the surgery was a success and Sarah’s prognosis is good. She was released from a hospital in London on Sunday to recuperate at home. Sarah, the former wife of Prince Andrew, spoke about the diagnosis on her new podcast, set to be released Monday.