I have read that lung Cancer has very few symptoms until it is often so advanced that it is too late to treat it. Common symptoms listed seem to be a persistent cough, sometimes with small amounts of mucus which may or may not be coloured. Lung Cancer can also spread into bones such as the ribs, meaning pain in the bones could also be a sign of lung Cancer. Can anyone advise on other key symptoms to look out for or ones they experienced personally prior to being diagnosed please? Thanks.