GB News royal correspondent Cameron Walker has said the Princess of Wales "may attend certain events" in a rare update on Kate's health.
Earlier this year, the Princess of Wales released an emotional video statement to end the speculation surrounding her health after undergoing a "planned abdominal procedure" in January.
Kate revealed that following tests after the surgery, doctors discovered cancer "had been present", and so she has begun "preventative chemotherapy".
Speaking to Bev and Andrew, Cameron said: "Because of the princess's cancer diagnosis, she is undergoing preventative chemotherapy at the moment.
Cameron Walker gave a rare update on the health of the Princess
GB News/ GETTY
"What I am hearing from those close to the Princess is that she may well decide to attend certain events if she feels up to it, and if she's keen to go.
"But in terms of a return to full-scale public duties and as a full-time working royal, I suspect that will take some time.
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"But maybe we'll see her at some point this summer. It just depends on how her treatment goes."
The King has also been undergoing treatment for a form of cancer and attended his first public event since the health news for the Easter service last week.
Cameron also gave GB News viewers an insight into the King's activities as he continues his recovery. He said on GB News: "The King was greeting the crowds quite unexpectedly.
"We weren't expecting him to do so. And that shows there's a real sign that the treatment appears to be going in the right direction.
Kate was diagnosed with cancer
Getty"And I think those close to King Charles are really hoping that that's a positive sign.
"As we look towards the summer, the Trooping the Colour ceremony and the 80th anniversary of the D-Day landings are two events the King is keen to attend.
"They look more likely than they perhaps were back in January. And of course, the Australia tour, which is being talked about and certainly is not being ruled out by royal sources today."
Last week Charles attended the first event since his diagnosis and shook hands with members of the public.
Charles was advised by his doctors to minimize in-person contact including large public gatherings.
However, the King has continued to hold private meetings including his weekly audience with the Prime Minister and has kept up with his paperwork.
The Prince and the Princess of Wales did not attend the service with their family as Kate has also stepped back from public-facing duties to continue her treatments.
Prince George, Princess Charlotte and Prince Louis are on holiday in Norfolk with their parents for the Easter break.