Ratio of small cell lung cancer to non-small cell lung cancer

A diagram that compares how common two main types of primary lung cancer are. The two types are small cell lung cancer and non-small lung cancer. The diagram is a circle that is coloured in two different shades to represent the different types of lung cancer. It indicates that about 15%, or less than 1 in 5, lung cancers are small cell, while the rest are non-small cell.