Catherine, Princess of Wales carried out a deeply personal engagement on Tuesday, visiting the London hospital where she underwent cancer treatment to express her gratitude to the staff who supported her over the past year.

Kate, the Princess of Wales, made a poignant return Tuesday to the same hospital where she received treatment after being diagnosed last year with cancer.

For the treatment, which concluded in September, Kate attended the Royal Marsden Hospital in central London and on Tuesday she paid an official visit there to mark her becoming joint patron of its specialist cancer unit along with her husband Prince William.

Catherine visited the Royal Marsden Hospital in west London, personally thanking staff for their care and compassion - on a visit that also confirmed this was where she had undergone treatment. She spoke to cancer patients with the empathy of her own first-hand experiences,

The Princess of Wales visited the Royal Marsden Hospital in London on Tuesday, Jan. 14 The president-elect said he had an “obligation” to attack one specific late night host. A photo shared by Vice President Kamala Harris from Jimmy Carter's funeral has gone viral due to the exclusion of President-elect Donald Trump.

Kate Middleton has made a meaningful trip to the hospital where she underwent cancer treatment last year. On Tuesday Jan. 14, the Princess of Wales made the solo trip to the Royal Marsden Hospital where she met with patients and staff to express her gratitude and highlight the hospital's work.