Serena Williams Has Surgery for Blood Clot in Lung

Tennis star Serena Williams is reportedly recovering at Cedars-Sinai Medical Center in Los Angeles today following an emergency operation yesterday to remove a blood clot from her lung, according to CNN.

Williams, 29, has been under the close care of her doctors in New York lately, because of an ongoing issue with her foot, according to USA Today. When the pro athlete arrived in Los Angeles last week she was diagnosed with a pulmonary embolism, however she mustered up the strength to attend the Vanity Fair Oscars party on Sunday night.

Nicole Chabot, Williams' spokesperson, said Williams "underwent emergency treatment at Cedars for a hematoma she suffered as a result of treatment for a more critical situation." On Twitter, Williams' closest acknowledgment to her ordeal came overnight, when she said merely: "tough day." Williams remains hospitalized, and is being closely monitored.