Her official cause of death was listed as “old age.” Getty Images “Currently, there is no known cure, but treatment - including medicines to help regulate the immune system and drugs that help prevent the weakening of the bones - can reduce the severity of its symptoms and extend the patient’s survival by months or two to three years.” Queen Elizabeth died at the age of 96 in September. “The most common symptom of myeloma is bone pain, especially in the pelvis and lower back, and multiple myeloma is a disease that often affects the elderly,” the former MP wrote. “I had heard that the Queen had a form of myeloma - bone marrow cancer - which would explain her tiredness and weight loss and those ‘mobility issues’ we were often told about during the last year or so of her life,” Brandreth wrote in the book, which is being serialized by The Daily Mail. Her death certificate officially listed her cause of death as “old age.”

In the months leading up to her death at the age of 96, there was widespread speculation that the Queen was dealing with an illness. The Queen, who died in September after more than 70 years on the throne, worked through the agony of bone marrow cancer - the most common symptom of which is bone pain, according to “ Elizabeth: An Intimate Portrait,” an upcoming biography written by author and broadcaster Gyles Brandreth. Queen Elizabeth II spent her final years secretly suffering through painful cancer, according to a new biography of the late British monarch. Queen Elizabeth prepared cake for Lili’s first birthday - but Harry, Meghan were no-shows: ex-staffer

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