The Princess of Wales has returned to the Royal Marsden Hospital in Chelsea where she received treatment to thank staff.
Catherine finished preventative chemotherapy last September.
She and her husband, Prince William, have been named as joint patrons of the Trust, while William is also its President.
They are following in his mother, Princess Diana’s footsteps, as she held the role of patron from 1989 to 1997.
43-year old Catherine’s been telling staff how well looked after people feel there:
