Lung cancer is the third most common cancer in the UK, but the condition's symptoms can sometimes be mistaken for a cough or cold.
With around 40,000 cases of lung cancer being diagnosed every year, the condition can be fatal which is why it is important to be aware of its warning signs. In most cases it is easier to treat the sooner it is caught, according to Cancer Research UK.
It comes as a woman has told how she is lucky to be alive after she was diagnosed with the deadly form of cancer.
