WASHINGTON, Oct 3 (Reuters) - U.S. Sen. John Warner is doing "very well" after treatment to correct an abnormal heart rhythm and expects to be home from a Virginia hospital by the weekend, his office said in a statement on Wednesday.

"This morning, doctors at Inova Fairfax Hospital successfully performed nonsurgical, ablation therapy to maintain proper heart rhythm and heart rate. Both his heart rhythm and rate are normal," the statement said.

"Senator Warner called his office this morning around 11:30 a.m. to say he is doing very well. He advised his staff that he passed this morning's procedure 'with flying colors,'" the statement said.

Warner, 80, on Tuesday had another nonsurgical procedure to correct atrial fibrillation, a common heart rhythm disorder that increases the risk of heart disease and stroke.

"That procedure was also a complete success," the statement said.

Warner, a Virginia Republican, expects to be released from the hospital by the weekend and to resume working in the Senate next week, his office said.

Warner, an influential voice in Congress on military policy, announced last month he would not seek re-election next year for a sixth six-year Senate term.

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