The 74-year-old former anchor of "NBC Nightly News" is currently contributing to the network's
"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," he says.
"I remain the luckiest guy I know," Brokaw said, and he offered thanks for everyone's concern but concluded, "I wish to keep this a private matter."
According to NBC News, Brokaw was diagnosed with the cancer at the
NBC News reporter Luke Russert, son of Brokaw's longtime colleague Tim Russert, offered words of support on Twitter, writing, "@tombrokaw is one tough cowboy, no doubt he'll give this a helluva fight."
Last November, Brokaw anchored the two-hour documentary "Where Were You: The Day JFK Died" on the 50th anniversary of the president's assassination.