A Biden aide said the former president's prior medical check for prostate cancer was more than a decade ago. "Prior to Friday, President Biden had never been diagnosed with prostate cancer," the aide added. The cancer diagnosis comes amid reports that the Democrat's aides sought to conceal other deteriorating health conditions from the public ahead of the 2024 election. Cancer touches us all, says Biden after outpouringWhat we know about Biden's cancer Republicans argue that Biden, who ran for re-election as the oldest president in history at 81, was mentally and physically unfit for office. Dr Ezekiel Emanuel, an oncologist who worked as a Covid adviser to the Biden White House, was among those claiming that Biden probably had been ill with cancer for some time, without necessarily knowing it.