Catherine, Princess of Wales, will likely be released from the hospital in the coming days after a “serious” abdominal surgery performed on January 16. In addition to her husband, Prince William, and three children, her parents, Michael and Carole Middleton, “will be there to lend support” as she recovers. “Her parents are an enduring factor in the upbringing of their grandchildren,” they added. “And they will be a reassuring presence when she goes back to Windsor to recuperate.” Another source close to the Prince and Princess of Wales shared how the Wales household does not have “a huge priva…