“The talk now is that he may die ‘with’ cancer, but not ‘of’ cancer following a rigorous treatment program,” Tominey told The Telegraph.

The insider added that there are ‘tentative’ plans in place for King Charles’ 80th birthday in 2028.

Due to his health struggles, Tominey revealed that King Charles will never move into Buckingham Palace. He and his wife, Queen Camilla, currently reside at Clarence House.

These fresh claims come after King Charles’ son, Prince Harry, sparked speculation about how long the monarch had left in his BBC interview.

At one point in the interview, the Duke of Sussex said: “Life is precious. I don’t know how much longer my father has.”

King Charles himself addressed his cancer battle just weeks ago, telling a royal fan