Royal reporter Robert Jobson disclosed details in his book, “Catherine, the Princess of Wales: A Biography of the Future Queen,” that Elizabeth II felt “terribly frail” owing to a battle with a type of bone marrow cancer known as myeloma.

“I had known for a year or more that she had a form of bone cancer, and her doctors were worried that at any time she could enter a sharp decline,” Johnson wrote of his last meeting with the Queen at Balmoral on September 6 when he formally tendered his resignation.

In recent years, the Queen of Great Britain, Elizabeth II, suffered from bone cancer. This was the reason for her death in2.Former Prime Minister

Boris Johnson's decision to reveal the late monarch's diagnosis is likely to raise eyebrows at Buckingham Palace.

Boris Johnson did not know an RAF F-35 fighter jet had fallen off an aircraft carrier until he was told about it by Elizabeth II.

“I had known for a year or more that she had a form of bone cancer, and her doctors were worried that at any time she could enter a sharp decline,” Johnson wrote of his last meeting with the Queen at Balmoral on September 6 when he formally tendered his resignation.

LONDON — The late Queen Elizabeth II had a form of bone cancer in her final years, Boris Johnson claimed in his memoir.

"Her doctors were worried that at any time she could enter a sharp decline," the former prime minister writes about the late Queen in his memoir 'Unleashed'