If it's actually true they sent messages, I don't think Catherine would be too comforted by her message, well, Charles may not either, after the last few weeks. I wonder if WME twisted their arms to send messages.
https://www.dailymail.co.uk/news/article-12988613/Harry-Meghan-send-messages-Kate-Middleton-King-Sussexes-pass-concerns-best-wishes-princess-recovers-abdominal-surgery-Charles-prepares-enlarged-prostate-procedure.html
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