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

The British monarch recorded his annual holiday address from the chapel of a former hospital, rather than from a palace.

King Charles III has used his Christmas message to hail the efforts of healthcare workers and all those who support others, before praising the medical staff who provided “strength, care and comfort” during his and the Princess of Wales’ cancer treatments.

In his Christmas address, King Charles III spoke to the "uncertainties of illness" after both he and Kate Middleton were diagnosed with cancer in 2024.

After a year that saw both King Charles and Kate Middleton diagnosed with cancer, “Obviously it made sense it had some form of health connection," a source said

As 2024 comes to a close, King Charles III reflected on the past year, which included health struggles for him and his daughter-in-law Princess Kate Middleton. During his annual Christmas address, which he delivered on Wednesday at Fitzrovia Chapel,

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.