The announcement sent shock waves through the United Kingdom. On Feb. 5, Buckingham Palace revealed that King Charles III has cancer. “During [his] recent hospital procedure for benign prostate enlargement, a separate issue of concern was noted,” read a statement. “Subsequent diagnostic tests have identified a form of cancer. His Majesty has today commenced a schedule of regular treatments, during which time he has been advised by doctors to postpone public-facing duties.” According to an insider, Charles, 75, was “taken aback” by the diagnosis and reportedly told sons Prince William and Prince Harry the devastating news himself. Though they’ve been estranged, Harry, 39, flew into London the day after news broke, while Meghan Markle, 42, remained in Montecito, Calif., with their children, Archie, 4, and Lilibet, 2. “The healing between…