Royal fans have been left devastated after noticing a “sad coincidence” related to King Charles’s cancer diagnosis. On Monday, Buckingham Palace confirmed the monarch had been diagnosed with a form of cancer, unrelated to his prostate surgery in January. This came five days after Queen Camilla, 76, visited Maggie’s Centres, which “provides expert emotional and practical support to people with cancer”. On Sunday, the Royal Family social media account posted on X: “Today is #WorldCancerDay – a global initiative aiming to raise awareness about cancer. “Earlier this week, Her Majesty The Queen ope…