10/26/2015 AT 05:10 PM EDT Although Lamar Odom has made a miraculous recovery, he's still facing a serious health crisis, a source close to the Kardashian family tells PEOPLE. Two weeks after he was found unconscious in a Nevada brothel with drugs in his system, the former NBA player is being treated at Cedars-Sinai Medical Center in Los Angeles, where he underwent emergency surgery said to be connected to pneumonia Wednesday.