Comments by Fiat Chrysler and its new CEO John Elkann suggest that 66-year-old Sergio Marchionne is gravely ill. According to AutoNews, FCO's board abruptly replaced him as CEO after having shoulder surgery. In a letter released by the company, Elkann wrote, "It is a situation that was unthinkable until a few hours ago, and one that leaves us all with a real sense of injustice." Without providing specific details about Marchionne's condition, Elkann said he was "profoundly saddened" by the situation.