Kate Middleton visited the Royal Marsden Hospital in London on Tuesday, Jan. 14, where she received chemotherapy treatment after her cancer diagnosis last year. See all the photos here

Princess Catherine surprised cancer patients at the same hospital where she was treated last year for her type of cancer.

The Princess of Wales wanted to “show her gratitude to the incredible team, but also highlight the world leading care and treatment the Marsden provides.”

Kate Middleton made a surprise visit to the Royal Marsden Hospital where she received cancer treatment, following her diagnosis last year.

For her first official solo appearance in over a year, Princess Kate met with cancer patients and the team at London's Royal Marsden Hospital.

Princess Kate returned to The Royal Marsden, where she underwent chemortherapy, and while she was there she made a startling remark, it's being reported.

Kate Middleton has been praised for her sensitive timing amid her latest move to visit the Royal Marsden Hospital, where she received treatment for cancer.

We don’t need to know what cancer she had,” said one woman who spoke to Kate on Tuesday. “We just know she’s been through surgery, she’s been through chemo—and one year later, my goodness, look, she is here.

New details have come to light regarding Kate Middleton's cancer treatment. After the Princess of Wales returned to the Royal Marsden Hospital earlier this week, one of the cancer patients she visited shared a new detail she learned about Middleton's own chemotherapy experience.