“On Friday, he was diagnosed with prostate cancer, characterized by a Gleason score of 9 (Grade Group 5) with metastasis to the bone,” it adds of the grave prognosis.

A ‘Gleason score’ is assigned to prostate tumours based on how the malignant cells appear in comparison to healthy ones. Biden’s cancer appears to be among the most aggressive, based on his score of 9.

His office noted that: “While this represents a more aggressive form of the disease, the cancer appears to be hormone-sensitive which allows for effective management.” 

Former President Joe Biden’s cancer diagnosis was “saddened to hear,” according to President Donald Trump and First Lady Melania Trump