Royal Biographer Angela Levin says King Charles "could have waited" to announce his health news, as Princess Kate announced her planned abdominal surgery just hours before the monarch.
Speaking to GB News, Angela Levin told host Mark Dolan: "With the Queen, you would never know until she'd been to perhaps hospital and had what she needed to be done and then got home. Then she would say something.
"It's very rare indeed. I don't think it's appropriate to come out with it on the same day that we were astonished by Catherine's problem in hospital. I think that it could have waited, but I think as well it's very quick.
"It was only discovered a week or so ago in Scotland and obviously, once you know about these things, you have to have them done quickly. But I admire him enormously for encouraging people to do it."
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