A friend of the family suffered increasingly bad back pain which was misdiagnosed as sciatica and others by GPs and hospital staff on many occasions. When talking about this seemingly mysterious pain to another retired GP friend and about her history of breast cancer he suggested she get tested for bone cancer. The tests were positive but too late and she died a few months later. We were amazed that her GP and also A&E staff that she had seen before did not suspect this when they knew the same history - your post goes a little way to explaining why that might be...