The Princess of Wales is currently undergoing preventative chemotherapy following her cancer diagnosis, with Kate, 42, having begun treatment in late February.
The mother-of-three announced the news in a personal video message on 22 March, where she explained that at the time of her abdominal surgery in January, her condition was believed to be non-cancerous. However, post-operative tests found cancer had been present.
"It has been an incredibly tough couple of months for our entire family, but I’ve had a fantastic medical team who have taken great care of me, for which I am so grateful," said Kate in part.
The Prince and Princess wanted to share the news when they "felt it was right for them as a family".
In her personal statement, Kate said: "This of course came as a huge shock, and William and I have been doing everything we can to process and manage this privately for the sake of our young family. 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."
© BBC StudiosThe Waleses spent the Easter school holidays privately as a family and did not join the King and Queen at the church service in Windsor.
William resumed his royal duties on 18 April, following their children's return to their classrooms at Lambrook School.
Kensington Palace previously said that William would resume public engagements after the school holidays, on a reduced timetable as he continues to support Kate through her treatment.
© GettyOn 23 April, the Prince and Princess shared a new photograph of Prince Louis to mark his sixth birthday, taken by mum Kate in Windsor. In a break from tradition, the portrait was released on the Prince's actual birthday, rather than the eve of.
It is understood to be due to the unprecedented time the family is experiencing as Kate undergoes her treatment.
Here's everything we know about Kate's surgery, recovery, subsequent cancer diagnosis and when she's likely to return to public duties.
What type of cancer does Kate have?
The type of cancer has not been disclosed by Kensington Palace as the senior members of the royal family endeavour to keep her personal health and medical records private.
Why did Princess Kate have surgery?
The reasons for Princess Kate's major abdominal surgery which she underwent in January have not been disclosed. It was thought at the time that the procedure was non-cancerous, however, subsequent tests found that cancer was present.
On 17 January, it was confirmed by Kensington Palace that Kate had been admitted to the private London Clinic for planned abdominal surgery.
© GettyThe palace released a lengthy statement, which added: "The surgery was successful and it is expected that she will remain in hospital for ten to fourteen days, before returning home to continue her recovery. Based on the current medical advice, she is unlikely to return to public duties until after Easter.
"The Princess of Wales appreciates the interest this statement will generate. She hopes that the public will understand her desire to maintain as much normality for her children as possible; and her wish that her personal medical information remains private.
"Kensington Palace will, therefore, only provide updates on Her Royal Highness’ progress when there is significant new information to share.
"The Princess of Wales wishes to apologise to all those concerned for the fact that she has to postpone her upcoming engagements. She looks forward to reinstating as many as possible, as soon as possible."
How long did Princess Kate stay in hospital?
The royal was discharged from the London Clinic on 29 January after a 13-day stay in hospital.
Kensington Palace shared in a statement at the time: "The Princess of Wales has returned home to Windsor to continue her recovery from surgery. She is making good progress.
© Getty"The Prince and Princess wish to say a huge thank you to the entire team at The London Clinic, especially the dedicated nursing staff, for the care they have provided.
"The Wales family continues to be grateful for the well wishes they have received from around the world."
Hospital security breach
A security breach was reported to have taken place at the London Clinic, where Kate was treated. According to The Mirror, up to three people could have been involved in the alleged accessing of the Princess of Wales’s private medical records after Kate was discharged from hospital on 29 January.
The London Clinic vowed that "all appropriate investigatory, regulatory and disciplinary steps will be taken" over any breach.
© GettyIn a statement, chief executive of the London Clinic Al Russell said: "There is no place at our hospital for those who intentionally breach the trust of any of our patients or colleagues."
The news of the breach broke on 20 March - the day after William and Kate were spotted leaving the Windsor Farm Shop.
Has Kate been seen since her surgery?
The Princess was pictured for the first time since her surgery on 4 March, when TMZ published an unauthorised paparazzi shot of Kate sitting in the passenger seat of a car as her mother, Carole Middleton, drove the pair through Windsor.
A sweet family photograph of the Princess with her children, taken by William, was shared on Mother's Day in the UK on 10 March, but the portrait sparked confusion as news agencies pulled the image after it was found to have been digitally altered.
© The Prince of WalesKate later issued an apology via social media the day after, writing: "Like many amateur photographers, I do occasionally experiment with editing. I wanted to express my apologies for any confusion the family photograph we shared yesterday caused. I hope everyone celebrating had a very happy Mother's Day. C."
The Princess was later pictured in a car with William as she travelled to London for a private appointment, while her husband attended the Commonwealth Day service at Westminster Abbey.
On 19 March, The Sun and TMZ shared footage of the Prince and Princess leaving the Windsor Farm Shop, close to their home, Adelaide Cottage, with Kate seen dressed in sportswear and holding a large white shopping bag as she chatted to her husband.
Three days later, Kate's video message was released, confirming she was undergoing preventative chemotherapy for cancer.
When will Kate return to royal duties?
The Princess of Wales made her last public appearance as the royal family attended church on the Sandringham estate on Christmas Day 2023.
© GettyKensington Palace has stated: "The Princess will return to official duties when she is cleared to do so by her medical team. She is in good spirits and is focused on making a full recovery."
In her video message, Kate said: "My work has always brought me a deep sense of joy and I look forward to being back when I am able, but for now I must focus on making a full recovery."
Timeline of Princess Kate's surgery and health updates
© Getty25 December 2023 – Kate is last seen publicly on Christmas Day
9 January 2024 – Kate celebrates her 42nd birthday, with the King and Queen sharing a behind-the-scenes photo from the coronation to mark the day.
11 January 2024 – William returns to royal duties, meeting rugby heroes Rob Burrow and Kevin Sinfield at Headingley Stadium in Leeds.
17 January 2024 – Kensington Palace announces in a statement that Kate has undergone abdominal surgery at the London Clinic and that William has temporarily stepped back from royal duties to care for Kate and their children.
18 January 2024 – William visits Kate at the London Clinic.
26 January 2024 – King Charles visits Kate in hospital before undergoing treatment for an enlarged prostate.
29 January 2024 – Kate is discharged from hospital and returns home to Windsor to continue her recovery. King Charles also leaves the London Clinic on the same day after his treatment.
7 February 2024 – William resumes royal duties attending London's Air Ambulance Charity gala with Tom Cruise.
10 February 2024 – William and Kate spend February half-term with George, Charlotte and Louis at their Norfolk home, Anmer Hall. Kate's siblings are also pictured on holiday during the school holidays, with James Middleton and Alizee Thevenet flying to the Caribbean with baby Inigo, and Pippa Matthews and her family holidaying on the island of St Barts.
27 February 2024 – Kate said to be "doing well" as William pulls out of King Constantine memorial due to a "personal matter".
29 February 2024 – Kensington Palace addresses social media speculation, reiterating: "We were very clear from the outset that the Princess of Wales was out until after Easter."
10 March 2024 - A photograph of Kate with their three children at home in Windsor is released to mark Mother's Day and to thank the public for their "continued support".
11 March 2024 - Kate publicly apologises for the "confusion" around the photograph as she admitted she "occasionally experiments with editing," after news agencies pulled the image amid claims it had been digitally altered. The Princess is then seen in a car with William as she's driven to a private appointment in London.
19 March 2024 - Footage of William and Kate leaving the Windsor Farm Shop is shared by The Sun and TMZ in the first video sighting of the Princess since surgery.
22 March 2024 - Princess Kate confirms that she has been diagnosed with cancer. Kate, 42, is currently in the early stages of preventative chemotherapy, having started treatment in late February. Kensington Palace has not confirmed the type of cancer.
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