Charles took part in 372 public engagements last year, even after stepping aside for almost three months because of cancer treatment, according to data compiled by The Times of London newspaper. That made him the second-busiest royal behind his sister, Princes Anne, who had 474 engagements.

Royal watchers have followed King Charles III's health battle after he was diagnosed with an undisclosed type of cancer in February 2024. "During The King's recent hospital procedure for benign prostate enlargement,

Britain's King Charles spent a short time under observation in hospital on Thursday after experiencing side effects from treatment for cancer, Buckingham Palace said. The king has been having treatment for the illness since he was diagnosed with an unspecified form of cancer in February last year following tests after a corrective procedure for an enlarged prostate.