Former President Joe Biden was diagnosed with an aggressive form of prostate cancer, his office announced on Sunday. The Democrat, who was experiencing urinary symptoms, was diagnosed on Friday following the discovery of a nodule on his prostate.

Former President Joe Biden, 82, has been diagnosed with stage 4 prostate cancer that has spread to his bones. According to Biden's office statement, his cancer has a Gleason score of 9 out of 10, meaning it's an aggressive form of prostate cancer.