Former President Joe Biden, 82, was diagnosed with an 'aggressive form' of prostate cancer, his office announced on Sunday.

The cancer has metastasized and spread to his bones, a statement on the diagnosis revealed.

The announcement came just one week after reports revealed that a 'small nodule' was found on Biden's prostate that needed 'further evaluation.'

A statement on the diagnosis states: 'Last week, President Joe Biden was seen for a new finding of a prostate nodule after experiencing increasing urinary symptoms.'

'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.