Quote:
"As lung cancer does not usually cause noticeable symptoms until it has spread through much of the lungs or into other parts of the body, the outlook for the condition is not as good as many other types of cancer.
Overall, about 1 in 3 people with the condition will live for at least a year after they are diagnosed and fewer than 1 in 10 people will live at least five years.
However, survival rates can vary widely depending on how far the cancer has spread at the time of the diagnosis. Early diagnosis can make a big difference."
Source:
http://www.nhs.uk/conditions/Cancer-of-the-lung/Pages/Introduction.aspx