Kate, the Princess of Wales, says she has completed chemotherapy and will return to some public duties in the coming months.
The 42-year-old wife of Prince William is expected to undertake a light program of engagements until the end of the year.
Kate announced in March that she was being treated for an undisclosed type of cancer.
Kate attended a ceremonial birthday parade for her father-in-law, King Charles III, in June, and the following month, she presented the men’s winner’s trophy at the Wimbledon tennis championships.