King Charles III was diagnosed with cancer this year after treating an enlarged prostate. His daughter-in-law, Kate Middleton, completed chemotherapy in September.

King Charles hosted a lavish Christmas celebration at Sandringham this week, bringing together the royal family in their festive finest. But this year, some very special guests were

King Charles has used his annual TV message to give personal thanks to the medical staff who have cared for him this year.

As Charles put it, “I am deeply grateful, too, to all those who have offered us their own kind words of sympathy and encouragement.”

King Charles has been criticised for his Christmas Day speech which suggested that all faiths are the same. The monarch's Christmas Day address to the nation is an annual Christmas tradition that many households gather round to listen to on the big day.

King Charles III used his annual Christmas message Wednesday to hail the selflessness of those who have cared for him and the Princess of Wales this year, after both were diagnosed with cancer. The 76-year-old monarch said he and his family are “continually” impressed by those who dedicate their lives to helping others.

Britain’s King Charles thanked medical workers who treated him and Princess Kate after their cancer diagnoses in his annual Christmas message on Dec. 25.

His Christmas Day message follows a year that saw him and the Princess of Wales treated for cancer.