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Kate Middleton
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Kate Middleton is “fortunate” to survive her “seriously ill” cancer diagnosis, according to a royal source.

An insider told the Daily Mail in June 2025 that while Kate, who went “to hell and back” with her cancer diagnosis, is still a “work in progress” amid her recovery, the experience has given her a lot of “mental clarity” around her priorities as member of the British royal family.

“On some levels I actually think this is a good reminder that she was really seriously ill last year and underwent a significant period of chemo. As anyone who has been through that experience will tell you, you can feel very unwell for a long time afterwards. It can take years [to recover],” the insider said.

According to the Daily Mail, Kate’s cancer treatment included abdominal surgery followed by preventative chemotherapy involving a “port” that was surgically fitted to administer the chemo. “I can say that, from what I understand, she is fortunate to even be speaking of recovery,” royal correspondent Rebecca English told the Daily Mail.

Related: Kate Middleton Young Photos: See The Princess of Wales Before She Became Royalty

The update to Kate’s cancer recovery came after she mysteriously skipped the 2025 Royal Ascot, where she was set to attend with her husband Prince William, at the last minute. According to the Daily Beast, Kate was originally set to attend Wimbledon in June and July 2025, as well as a meet and greet for a French state visit at Windsor Castle on July 8 followed by a retreat to Norfolk in the summer, however, those plans may change as her cancer recovery becomes more serious.

ARDURA, SCOTLAND - APRIL 30: Prince William, Prince of Wales and Catherine, Princess of Wales speak with Moray Finch (R), General Manager of the Mull and Iona Community Trust during a visit to Ardura Community Forest on April 30, 2025 in Ardura, Isle of Mull, Scotland. The Prince and Princess of Wales are on a two-day visit to the Isles of Mull and Iona on the 29th and 30th of April to engage with rural island communities. During their time on the islands, they will connect with local residents, highlighting the value of social bonds and underscoring the importance of safeguarding and advocating for the natural environment.

“The important thing here is Kate’s recovery. It was too much, unfortunately, for her to have three appearances in under a week, and the lesson has been learned. Kate will take it much easier for the rest of the year. I’d be surprised if you see her more than three times in the next three months,” a source told the Daily Beast.

Another source added, “Kate is recalibrating her entire life, her entire work-life balance. [Ascot] was a wakeup call, not a one-off. She has never found the public appearances, and the forensic attention and criticism that goes with them, at all easy to deal with, and it was just too much this week.”

Along with her cancer diagnosis, the source explained that Kate’s past year has also been “horrific” due to the public fallout between William and his brother, Prince Harry, as well as her father-in-law King Charles‘ own cancer diagnosis. “The last few years have been horrific; the disgusting things that Harry said about her and William and her family, the relentless speculation about her and William, the queen’s death, the king’s diagnosis which had them both thinking they were going to have to take over and then her own cancer diagnosis and treatment. It’s all taken its toll, and if she needs more time to recover, William will fight tooth and nail to see she is given it,” the insider said.

Kate first announced she was diagnosed with cancer in a video statement in March 2024, in which she revealed that she was in the “early stages” of preventative chemotherapy. The announcement came after she underwent an abdominal surgery in January 2024. “At the time, it was thought that my condition was noncancerous,” she said in the video. “The surgery was successful. However, tests after the operation found cancer had been present.”

She continued, “As you can imagine, this has taken time. It has taken me time to recover from major surgery in order to start my treatment. But, most importantly, it has taken us time to explain everything to George, Charlotte and Louis in a way that is appropriate for them, and to reassure them that I am going to be OK.”

Kate announced that she was done with chemotherapy in September 2024. “Doing what I can to stay cancer free is now my focus. Although I have finished chemotherapy, my path to healing and full recovery is long and I must continue to take each day as it comes,” she said in a social media post at the time. “I am however looking forward to being back at work and undertaking a few more public engagements in the coming months when I can.”

She confirmed that she was in full remission from cancer in January 2025. “I wanted to take the opportunity to say thank you to The Royal Marsden for looking after me so well during the past year,” Kate wrote on social media. “My heartfelt thanks goes to all those who have quietly walked alongside William and me as we have navigated everything. We couldn’t have asked for more. The care and advice we have received throughout my time as a patient has been exceptional.”

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