Serena Williams undergoes emergency surgery: report

NEW YORK Wed Mar 2, 2011 3:25pm EST

NEW YORK (Reuters) - Serena Williams is recovering in a Los Angeles hospital after undergoing emergency treatment for a blood clot in her lungs, People magazine reported on Wednesday.

Tennis officials were unable to confirm the report but a representative for the 29-year-old Williams told the magazine she was treated on Monday after falling ill.

"Monday Serena Williams underwent emergency treatment at Cedars (Sinai Medical Center) for a hematoma she suffered as a result of treatment for a more critical situation," Nicole Chabot told People.

"Last week, Serena suffered from a pulmonary embolism (a blood clot in the lungs) which was discovered upon her return to L.A. She had been in New York for doctor appointments for the ongoing issues with her foot."

The former world number one has not played competitively since winning last year's Wimbledon title after cutting her foot on broken glass at a restaurant in Germany.

Williams, who has fallen to 11th in the world rankings during her extended layoff, has undergone at least two operations on her foot and was preparing to return to training soon.

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