Lung cancer is a cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer.
This video released by Macmillan Cancer Support provides a general overview of lung cancer.
More top news
As temperatures climb through the day, the warmest spots are likely to be across western parts of Northern Ireland and western Scotland.
The foreign secretary has criticised internet and social media giants for failing to detect and remove extremist material posted online.
Charities that receive money from EU structural and investment funds will be hit hard by Brexit, according to a House of Lords committee.