LONDON — The Princess of Wales announced on Tuesday that her cancer is in remission after visiting the hospital where she received treatment, extending her support to fellow cancer patients. She expressed her gratitude on social media toward those who aided her and her husband, Prince William, during the challenging journey of treatment and recovery. During her visit to the Royal Marsden Hospital in London, commonly referred to as simply Kate, she embraced patients and characterized her treatment as “exceptional.”

“I am relieved to be in remission now, and I am focusing on my recovery,” the 43-year-old princess mentioned in a heartfelt message signed with her initial, C. “As anyone who has faced a cancer diagnosis understands, it takes time to adapt to this new normal.”

While remission signifies a positive development, it does not automatically imply that cancer has been eradicated. It might indicate that treatment has reduced the measurable cancer to undetectable levels, known as complete remission, or that it has at least halved the cancer cells, referred to as partial remission. According to guidelines, for a tumor to be regarded as in remission, the reduction in size must last a minimum of four weeks.

Tuesday’s communication represented the first official update regarding her health status since September when Kate announced the completion of her chemotherapy sessions. However, she has not disclosed the specific type of cancer she has battled against.

During her individual visit to the renowned Royal Marsden, a leading cancer treatment facility known for its innovative research, Kate expressed her gratitude to the medical professionals who supported her throughout her process. She interacted with other patients receiving chemotherapy and immunotherapy.

In a touching moment, the princess comforted Tina Adumou, who was in tears while sharing that her 19-year-old daughter was in the intensive care unit. Cuddling with her, Kate conveyed her sympathies and reassured Adumou that her daughter was receiving top-quality care. “I’m sorry, I wish there was more I could do to help,” Kate remarked. “I wanted to come and showcase my support for the incredible work being done here for those undergoing treatment during such trying times.”

The princess also gave a message of hope: “There is light at the end of that tunnel,” she said. “It was lovely to meet you, and I wish you all the best. You’re in the best hands.”

Kate shared insights from her own journey with 45-year-old Katherine Field, discussing the port mechanism used for administering medication during treatment. “I got very attached to it,” she laughed, reminiscing about her initial reluctance to have it removed when informed that it was no longer necessary.

Officials at Kensington Palace emphasized that, despite her remission, the princess would gradually resume public engagements. The recent visit illustrated her personal journey with cancer. This announcement was seen as a beacon of positivity for the royal family, which faced significant health challenges over the past year. The medical struggles began in January when it was revealed that King Charles III was undergoing treatment for an enlarged prostate and Kate would need abdominal surgery.

By February, Buckingham Palace disclosed that the King was receiving care for an undisclosed type of cancer. Just weeks later, Kate acknowledged her own treatment for cancer, which helped quell widespread speculation online about her health following her surgery.

The weight on the royal family was considerable as two prominent members were unwell, and Prince William stepped back from appearances to support his wife, leaving other royal family members to manage the demanding schedule of public engagements.

Despite the difficulties, Charles, aged 76, and Kate gradually returned to royal duties after completing their treatments. In September, Kate shared that she had completed her chemotherapy in a video alongside her husband and children, expressing relief about her recovery.

“Life as you know it can change in an instant, and we have had to learn how to navigate these stormy waters,” she reflected in a video filmed in a wooded area near their summer residence in Norfolk. While she had limited public outings during her treatment, Kate attended significant events last year, such as the Trooping the Colour celebration in June and the Wimbledon men’s final in July, where she received a warm standing ovation.

“To everyone continuing their cancer journey, I stand with you, side by side, hand in hand,” Kate expressed compassionately.

Her recent visit to the hospital comes closely ahead of the one-year anniversary of her admission to the London Clinic for major abdominal surgery on January 16, 2024. After spending two weeks in recovery at the hospital, she was informed she would need to begin chemotherapy while recuperating at home.

William has described the past year as “brutal” and possibly “the hardest year” he has ever faced.