Joe Biden undergoes skin cancer surgery A spokesperson for former US President Joe Biden has confirmed the veteran politician has undergone surgery for skin cancer. 5 September 2025 Former US President Joe Biden has undergone surgery for skin cancer. Joe Biden has undergone surgery for skin cancer A spokesperson for the 82-year-old politician has confirmed Biden underwent a Mohs procedure - an operation used to treat the two most common form of skin cancers by removing the affected layers of skin - after he was pictured leaving a church in Delaware with a large wound on his head.