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.

Former UK Prime Minister Boris Johnson has revealed that Queen Elizabeth II was diagnosed with bone cancer before her death.

​​Former U.K. Prime Minister Boris Johnson said the late Queen Elizabeth II had a form of bone cancer in her final years. Johnson’s new memoir, Unleashed, will hit booksellers’ shelves in October. But an excerpt teased this week offered a rare behind-the-scenes glimpse into the queen’s cause of death.

Johnson met with the late monarch two days before her death to resign from his position as the UK's Prime Minister. He detailed the meeting in his new book, "Unleashed."

Former British Prime Minister Boris Johnson has controversially broken royal protocol and claimed in his upcoming memoir that Queen Elizabeth II was suffering from bone cancer before

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

In the months before Queen Elizabeth II died, Buckingham Palace said virtually nothing about her health challenges other than that she was suffering from “mobility issues.” Her death certificate said that she died only of “old age” aged 96.

Former British Prime Minister Boris Johnson is set to release his memoirs, which promise to reveal startling information not just about his own life but also about the British royal family. In light of ongoing health concerns within the royal household,

Britons are eagerly awaiting the release of former Prime Minister Boris Johnson's autobiography. The politician has included an extensive section about Queen Elizabeth's illness, which he says she struggled with in the final years of her life.