Kate Middleton, who recently underwent a planned abdominal surgery, dubbed royal family's 'reliable asset' amid her serious health problems. In conversation with The Mirror, royal expert Dr Tessa Dunlop said that the Princess of Wales' operation is a "salient reminder of just how valuable she... Kate Middleton, who recently underwent a planned abdominal surgery, dubbed royal family's 'reliable asset' amid her serious health problems. In conversation with The Mirror, royal expert Dr Tessa Dunlop said that the Princess of Wales' operation is a "salient reminder of just how valuable she...