Middleton had worked closely with cancer patients undergoing radiation therapy and chemotherapy ... Little Princess Trust, which makes lifelike wigs for those who are losing their hair.

The Princess had been animatedly talking to 45-year-old patient Katherine Field, who was wearing a cold cap during her chemotherapy session to preserve her hair. Kate - on her first major solo ...

Last March, Kate was set to undergo a course of preventative chemotherapy ... on recovery," the Princess of Wales said in a post on social media Jan. 14. "As anyone who has experienced ...

At the time, it was understood that the issue was non-cancerous, but post-operative ... A palace spokesperson says Princess Kate started the course of preventative chemotherapy in late February.

Princess Charlotte, 9, and Prince Louis, 6. "As the summer comes to an end, I cannot tell you what a relief it is to have finally completed my chemotherapy treatment," Kate says in the video.

Catherine, Princess of Wales, revealed Friday that she has been diagnosed with cancer and is undergoing chemotherapy. In a recorded video message, Princess Kate addressed the public directly after ...