As an extremely fit 56-year-old who has climbed to the base camp of Mount Everest, trained in the Arctic and likes to drag around five-stone tyres as part of her fitness regime, Jackie Head, from Essex, did not think lung cancer was something she needed to worry about.
But after receiving an invitation to a local NHS lung check at the end of last year, and given her family history of the disease, she thought it best to check.
