The most common signs and symptoms of lung cancer include:

• Coughing for three weeks or longer
• A change in a cough you have had for a long time
• A chest infection that does not get better, or repeated respiratory infections
• Unexplained wheezing and breathlessness
• Coughing up blood
• Pain in the chest or shoulders that doesn't go away
• Hoarseness lasting three weeks or longer
• Weight loss with no apparent reason
• Feeling very tired (fatigue)
• Changes at the ends of the fingers, with the fingers becoming larger or more rounded