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

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.

Kate Middleton's visit to the hospital where she had cancer treatment left an impression on Angela Terry, who tells PEOPLE what it was like to meet Princess Kate.