Former Senate Majority Leader Harry Reid Harry Mason ReidThe Supreme Court vacancy — yet another congressional food fight Trump seeks to turn around campaign with Supreme Court fight On The Trail: Battle over Ginsburg replacement threatens to break Senate MORE (D-Nev.) underwent surgery for pancreatic cancer on Monday morning.

The surgery, carried out on Monday at Johns Hopkins cancer center, was to remove a tumor from his pancreas, according to a statement from Reid’s family.

Reid’s doctor spotted the problem early during a routine screening and surgeons are confident the operation was a success, the statement said.

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The operation was first reported by KLAS-TV journalist George Knapp on Twitter. Knapp noted that Reid, who retired from the Senate in 2017 after opting not to run for reelection, had kept his diagnosis “very quiet.”

Reid will undergo chemotherapy as the next part of his treatment, according to the statement.

Senate Minority Leader Charles Schumer Chuck SchumerSenate Democrats introduce legislation to probe politicization of pandemic response Schumer interrupted during live briefing by heckler: 'Stop lying to the people' Jacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee MORE (D-N.Y.) later said on Twitter that it seems the operation went well.

"We are all praying for dear Harry’s speedy recovery," Schumer tweeted.

Reid served in the Senate for 30 years. Democratic Sen. Catherine Cortez Masto Catherine Marie Cortez MastoDemocratic Senate campaign arm raised nearly M in August VA problems raise worries about mail slowdown, prescriptions Cortez Masto touts mail-in voting in convention speech MORE succeeded Reid in the Nevada Senate seat, while Schumer replaced him as Senate Democratic leader.

In 2015, Reid suffered broken ribs and facial bones after an exercising accident.

Jordain Carney contributed. Updated at 2:58 p.m.