Medical Expert Says Biden’s Diagnosis Indicates Stage 4 Prostate Cancer

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The office of 82-year-old Joe Biden confirmed that the former president has been diagnosed with an “aggressive” and “very rare” form of prostate cancer — a diagnosis that top medical experts now say definitively places Biden at Stage 4.

The official statement, quietly released late Sunday morning, admits Biden has a Gleason score of 9 (Grade Group 5) — the second-highest rating on the prostate cancer scale — with metastasis to the bone, signaling that the...