"Minnelli, who has been dancing on stage since she was a teenager, is 63," her representative told People.com. "She is expected to make a full recovery."
The "Cabaret" and "Arthur" star is expected to have the operation in the next week, People.com said.
She will not be able to attend the Grammy Awards ceremony in Los Angeles Jan. 31 as planned because she will be recuperating from the procedure, her publicist said.
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