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投稿者：fineannoさん

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再生時間：05:03

Serena Williams grabbed her racket and got out on a tennis court Tuesday, which she said was her "first day back" after a series of health problems, including blood clots in her lung.The 13-time Grand Slam singles champion and former No. 1-ranked player has not played an official match since she won the title at Wimbledon in July.Shortly after claiming her fourth singles championship at the All England Club last year, Williams cut her foot on glass at a restaurant, an injury that led to two operations. The second surgery was in October, and she said she spent 10 weeks in a cast and 10 weeks in a walking boot.The 29-year-old American was diagnosed in February with blood clots in her lung. After that, she said she needed treatment for a hematoma — a gathering of blood under the skin — on her stomach.Williams has not said when she might return to competition.