King Charles' nephew says he is 'frustrated' amid cancer treatment

King Charles is keen to return to work after being diagnosed with cancer, according to his nephew Peter Phillips.

Phillips, 46, shared an update on the royal's recovery during an interview on January 23 Sky News Australia's the royal report, Insisting the king, 75, is in “good spirits” despite being “frustrated” with how much he can do at the moment.

Phillips, the son of Princess Anne and her first husband Mark Phillips, told host Caroline Di Russo: “I think in the end he feels very frustrated. “He's frustrated because he can't move forward and do everything he wants to be able to do.”

“But it's very practical [and] “He realizes that there is a period of time where he really needs to focus on himself,” said the royal, who is in Australia as a charity patron ISPS HandaHe added.

“He's always pushing his staff and everyone and his doctors and nurses to be able to say, 'Actually, can I do this?' 'Can I do that?' “So the overriding message is that he is clearly very keen to return to some form of normality,” Phillips continued his uncle's talk.

“And he may be frustrated that recovery is taking a little longer than he probably wanted it to,” Phillips shared.

Buckingham Palace revealed King Charles' cancer diagnosis on February 5. The statement came shortly after Charles was admitted for treatment for an enlarged prostate at a London clinic on January 26. The type of cancer he suffers from has not been revealed.

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

Phillips shared what he believes Charles and Camilla, 76, would like to achieve with their first official visit to the country as King and Queen: “Obviously they would like to see as many people as possible.”

“You know, they're very keen and very active to be able to see and meet as many people as possible from all walks of life,” Phillips continued. “And this is, you know, this is what [they] Kind of setting the goal of being able to be seen as, you know, accessible to as many people as possible.

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Per Sky News Australia, Phillips' interview was conducted before Kate Middleton announced her cancer diagnosis in a personal video message shared on Friday.

In the video, the Princess of Wales, 42, shared that she is currently undergoing preventive chemotherapy after tests following her scheduled abdominal surgery in January found “the presence of cancer.”