Hunter Biden told the BBC that his father's prostate cancer has metastasized into his bones, calling it "very painful" and "very debilitating."
https://www.foxnews.com/politics/joe-biden-cancer-spread-further-leaving-very-painful-condition-hunter-reveals
https://www.foxnews.com/politics/joe-biden-cancer-spread-further-leaving-very-painful-condition-hunter-reveals