King Charles 'Frustrated' amid Cancer Treatment and 'Pushing' to Work More, Says Nephew Peter Phillips

Phillips said the King is in "good spirits" but is "frustrated that he can't get on and do everything that he wants to be able to do"

King Charles is keen to get back to work following his cancer diagnosis, according to his nephew Peter Phillips.

Peter, 46, shared an update on the monarch's recovery during an interview on Sky News Australia's The Royal Report, insisting that the King, 75, is in "good spirits" despite being "frustrated" at the amount he's able to do at the moment.

Peter, who is the son of Princess Anne and her former husband Captain Mark Phillips, told host Caroline Di Russo, “I think, ultimately, he's hugely frustrated. He's frustrated that he can't get on and do everything that he wants to be able to do."

“But he is very pragmatic [and] he understands that there's a period of time that he really needs to focus on himself," the royal, who is in Australia as patron of charity ISPS Handa, added.

Related: King Charles’ Cancer Has Been ‘Caught Early’ Says British Prime Minister

“He is always pushing, his staff and everybody and his doctors and nurses to be able to say, 'Actually, can I do this? Can I do that?' " Peter continued of his uncle. “So the overriding message would be that he's obviously very keen to get back to a form of normality."

“And he's probably frustrated that, recovery is taking a little longer than probably he would want it to," he shared.

King Charles’ cancer diagnosis was revealed by Buckingham Palace on Feb. 5. The statement came shortly after Charles was admitted for treatment for an enlarged prostate at The London Clinic on Jan 26. His type of cancer has not been disclosed.

Related: Kate Middleton Had Private Lunch with King Charles Before Cancer Announcement: They Have a 'Very Good Bond'

Earlier this month, it was revealed that King Charles and Queen Camilla were preparing for a possible visit to Australia later this year despite his recent diagnosis.

Peter shared of what he thinks Charles and Camilla, 76, would want to achieve with their first official visit to the country as King and Queen, “They would obviously love to see as many people as possible."

“You know, they are they are very keen and very active to be able to, you know, be seen and meet as many people as possible from all walks of life," he continued. “And that is, you know, that is what [they] sort of set the goal on being able to be seen to be, you know, accessible to as many people as possible."

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Per Sky News Australia, Peter's interview took place before Kate Middleton announced her own cancer diagnosis in a personal video message shared on Friday.

In the video, the Princess of Wales, 42, shared that she is currently undergoing preventative chemotherapy after tests following her planned abdominal surgery in January "found cancer had been present."

With King Charles and Princess Kate unable to perform public duties, the pressure of representing the monarchy falls more heavily on Peter's mother, Princess Anne, and other members of the royal family such as Prince Edward and Sophie, the Duke and Duchess of Edinburgh.

"There are other members of the family who are able to support everyone else behind the scenes and in many ways that's equally as important," Peter said in the Sky News interview. "But there is definitely...short-term pressure on certain members of the family to be able to continue to be out and about and to be seen and to support. And not only just to support organizations but also conduct the official engagements that need to be done."

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