The Princess of Wales is known to leave this heirloom at home for hospital tours Kate Middleton was without an accessory staple for her emotional visit this week to the London hospital where she received cancer treatment,

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.

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 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

The Princess of Wales made a surprise return to the Royal Marsden Hospital to personally thank staff who looked after her during her cancer treatment on Tuesday. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

Princess Kate Middleton opened up about the side effects of chemo when she visited the Royal Marsden Hospital in London, which is where she received treatment amid her own cancer battle. The Princess of Wales,

Kate Middleton opted for one of her go-to colors during a visit to The Royal Marsden Hospital in London on Tuesday. The Princess of Wales and her husband, Prince William, are joint patrons of The Royal Marsden NHS Foundation Trust. Middleton received treatment from The Royal Marsden during her battle with an undisclosed form of cancer.

Everyone just noticed that Kate Middleton isn't wearing her engagement ring...here's what we know about why she ditched the iconic sapphire.

Princess Kate made her first solo official appearance in more than a year as she visited the Royal Marsden Hospital in London to thank staff for her care