Lung cancer (bronchial carcinoma) is a malignant tumour that develops within the lining of the air tubes (bronchi). It is the most lethal form of cancer in both men and women, causing over 30,000 deaths every year in the UK and nearly 1.2 million worldwide. Only 20% of people who are diagnosed are alive a year later, and only 8% survive for five years.
Lung cancer is rarely diagnosed in those under 40 years of age, with the greatest number of cases appearing in those aged over 60. Over 90% of cases are caused by smoking, with the remainder resulting from exposure to carcinogens such as air pollution, radon, asbestos and polycyclic hydrocarbons.
In this section, you'll find more information about the causes and symptoms of lung cancer, along with a guide to its diagnosis and treatment.
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