diagnosed with cancer and had begun treatment. The cancer was discovered in January after the king underwent a planned procedure to treat a benign enlarged prostate. “I would like to express my most heartfelt thanks for the many messages of support and good wishes I have received in recent days,” the British leader said in a statement at the time. “As all those who have been affected by cancer will know, such kind thoughts are the greatest comfort and encouragement.”Palace sources confirmed to The Post in December that “his treatment has been moving in a positive direction, and as a managed condition the treatment cycle, will continue into next year.”That same month, Charles reflected on 2024, which saw not only his cancer diagnosis but that of his daughter-in-law Kate Middleton’s.“All of us go through some form of suffering at some stage in our life, be it mental or physical,” the king said in a pre-taped message at his annual Christmas address. “The degree to which we help one another — and draw support from each other, be we people of faith or of none — is a measure of our civilization as nations.”“From a personal point of view, I offer special, heartfelt thanks to the selfless doctors and nurses who, this year, have supported me and other members of my family through the uncertainties and anxieties of illness, and have helped provide the strength, care and comfort we have needed.”Charles added at the time: “I am deeply grateful, too, to all those who have offered us their own kind words of sympathy and encouragement.”In March, Kate, 42, revealed that she had also been undergoing cancer treatment for about a month.