Kate made a "strictly private" visit in December o personally deliver gifts to the people involved in her treatment.

For her appearance, Kate noticeably didn't wear her engagement ring.

The Princess of Wales visited the Royal Marsden Hospital in London on Tuesday, Jan. 14, where she underwent chemotherapy last year Chris Jackson/Getty Kate Middleton is giving thanks to the ...

The Princess of Wales visited the Royal Marsden Hospital in London on Tuesday, Jan. 14 Simon Perry is a writer and correspondent at PEOPLE. He has more than 25 years’ experience at PEOPLE ...

Princess Kate made a subtle nod to the late Queen Elizabeth on her recent visit to the Royal Marsden Hospital in London on Tuesday. The Princess of Wales carried a Asprey 'Morgan' handbag, which has ...

Kate Middleton has made an emotional visit to the Royal Marsden Hospital in London to personally thank staff who took care of her during her cancer treatment last year. Dressed in a long brown ...

The Princess of Wales made a surprise return to the Royal Marsden Hospital to personally thank staff who looked after her ...

Kate, in a written personal message following a visit to the Royal Marsden Hospital in Chelsea, south-west London, on Tuesday, described her “relief” and said “there is much to look forward ...

The Royal Marsden was the world’s first hospital dedicated to cancer diagnosis, treatment, research and education when it first opened in 1851. Today, the facility remains a world-leading cancer ...