Kate Middleton made an emotional visit Tuesday to the Royal Marsden Hospital in London, where she was treated for cancer last year. She also announced that she and her husband will become joint patrons of the prominent cancer research hospital.

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.