Former President Joe Biden's office announced on May 18 that he had been diagnosed with an aggressive form of prostate cancer two days earlier, following the discovery of a prostate nodule. President Donald Trump and others have suggested,

Donald Trump misspoke in off-the-cuff remarks on May 19, saying he felt 'sad' to learn that Joe Biden has 'stage 9' prostate cancer. His comments came one day after Biden revealed he has stage 4 prostate cancer,

Donald Trump Jr. accused the Dr. Jill Biden — who had a doctorate in education — of not detecting her husband's condition sooner.