Former U.S. President Joe Biden's office announced that he has been diagnosed with "aggressive" prostate cancer, which has spread to his bones. Here's what to know about the disease.

This type of cancer is "generally not considered a curable situation,” an oncologist tells PEOPLE Former President Joe Biden announced he has stage 4 prostate cancer that has spread to his bones "That’s generally not considered a curable situation,

A resurfaced video of Joe Biden saying he had cancer three years ago has been resurfaced by people accusing him of a "cover up."

Former president Joe Biden has issued his first public message since it was revealed on Sunday that he has been diagnosed with an aggressive form of prostate cancer.“Cancer touches us all,” the former president wrote on social media.

"Doug and I are saddened to learn of President Biden’s prostate cancer diagnosis," Harris wrote. "We are keeping him, Dr. Biden, and their entire family in our hearts and prayer