FILE - MAY 18, 2025: It was reported that former US president Joe Biden has been diagnosed with prostate cancer after he saw a doctor last week for urinary symptoms. WASHINGTON, DC - NOVEMBER 22: U.S. President Joe Biden, accompanied first lady Jill Biden, becomes emotional as he speaks during a dinner on the South Lawn of the White House on November 22, 2024 in Washington, DC. The Bidens are hosting a dinner to thank longtime supporters. (Photo by Andrew Harnik/Getty Images)