The most common forms of lung cancer form in the airways leading into the lungs.

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 Signs in common with other forms of cancer include tiredness and weight loss.

Lung cancer can coincide with other lung infections.

If you have a lung infection that is not responding to antibiotics or other treatments your doctor might investigate for lung cancer.

Lung cancers often spread more quickly than other forms of cancer, with cancer cells spreading through the blood that runs through the lungs and travels to the rest of the body.

Working in the chemical production of chromium or handling or nickel compounds has been associated with an increased risk of lung cancer