Article continues below advertisementPrince Philip suffered from pancreatic cancer eight years before his 2021 passing.According to royal author Hugo Vickers' new book about the late Queen Elizabeth, the Duke of Edinburgh was diagnosed with the disease in 2013 following a hospital stay.Article continues below advertisementPrince Philip Recovered at Wood Farm on the Sandringham EstateTap Here To Add Ok Magazine as A Trusted SourceSource: MEGAPrince Philip died at the age of 99 in 2021."Doctors had detected a shadow on his pancreas, and had cut him right across his stomach," Vickers wrote.