Since disclosing his cancer diagnosis in early 2024, King Charles has kept most information private. We do not know what kind of cancer he has or the prognosis. His daughter-in-law, Kate Middleton, also faced a cancer diagnosis in the same year and chose to keep details private. Buckingham Palace released a statement in February 2024 confirming the king’s decision not to speak on the matter. “His majesty has chosen to share his diagnosis to prevent speculation and in the hope it may assist public understanding for all those around the world who are affected by cancer,” Buckingham Palace shared in 2024. A special message from The King, in support of Stand Up To Cancer. As part of this year’s @SU2CUK campaign, @CR_UK and @Channel4, with support from the @NHS, have launched a nationwide Screening Checker to help people find out which cancer screening programmes they are… pic.twitter.com/K5kSQ0Utx3— The Royal Family (@RoyalFamily) December 12, 2025 King Charles Appeared Ready to Discuss His Cancer King Charles shared good news in his cancer journey update. “Today I am able to share with you the good news that thanks to early diagnosis, effective intervention and adherence to ‘doctors’ orders,’ my own schedule of cancer treatment can be reduced in the New Year,” he said. “This milestone is both a personal blessing and a testimony to the remarkable advances that have been made in cancer care in recent years. Testimony that I hope may give encouragement to the fifty percent of us who will be diagnosed with the illness at some point in our lives,” King Charles added. Many thanked King Charles for speaking up about his cancer diagnosis. “A profoundly important and potentially life-saving initiative. The integration of a nationwide Screening Checker demystifies a critical aspect of preventive healthcare, directly empowering individuals with knowledge and access. This move, championed by His Majesty and driven by collaboration between major institutions, transcends mere awareness. It provides a tangible tool for public agency. Such efforts underscore that the most noble use of influence and technology is in safeguarding the health and dignity of every citizen. A commendable step forward in public health advocacy,” someone wrote. “Such wonderful news!! Thank you for raising awareness on this important topic. god save the king,” another person shared. This story’s featured image is by Chris Jackson/Getty Images.