(POLITICO) — NBC News veteran Tom Brokaw announced Tuesday that he was diagnosed in August with multiple myeloma, a cancer affecting blood cells in the bone marrow.

In a statement, published on NBCNews.com, Brokaw said he and physicians at the Mayo Clinic were very encouraged with his progress.

“With the exceptional support of my family, medical team and friends, I am very optimistic about the future and look forward to continuing my life, my work and adventures still to come,” Brokaw wrote.

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