United Kingdom, March 30 -- Prince Philip spent eight years battling pancreatic cancer in secret prior to his death, according to a new book.

Queen Elizabeth's husband passed away in 2021 at the age of 99 - a year before his wife - and now it's been suggested the late royal spent almost a decade living with cancer after being diagnosed with an inoperable form of the disease in June 2013.

Royal historian Hugo Vickers makes the claim in his new book Queen Elizabeth II - which has been serialised by the Daily Mail newspaper - in which he detailed the former Duke of Edinburgh's final days in Windsor Castle. Vickers wrote: "On the last night of his life, he [Philip] gave his nurses the slip, shuffled along the corridor on his Zimmer frame, h...