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Lung cancer

Lung cancer is cancer that starts in your lungs.

There are 2 main types of lung cancer:

  • Non-small cell lung cancer (NSCLC) – This is the most common type, about 8 in 10 lung cancers are NSCLC.

  • Small cell lung cancer (SCLC) – About 1 in 10 lung cancers are SCLC. This type tends to grow and spread faster than NSCLC.

Cigarette smoking is the most common cause of lung cancer.

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