Serena Williams treated for embolism
Serena Williams' absence from tennis could stretch to almost a year after two new health scares -- a blood clot in her lungs followed by a hematoma -- have added to her injury woes.
Her agents confirmed Wednesday that Williams was diagnosed with a pulmonary embolism last week and later needed treatment for a hematoma. The 13-time Grand Slam champion hasn't played an official match since winning Wimbledon last July because of a foot injury she sustained not on the court but at a restaurant.
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