There is no accepted early screening technique for lung cancer. The PLCO trial will show if chest X-rays, by catching lung cancer when it is still operable, can reduce the death rate from lung cancer.

The rate of early cancer detection was better than what we see in the general community. But it remains to be seen if that translates into a mortality benefit. It is too early to make any recommendations regarding chest X-rays as a lung cancer screening tool in the general population.

Cigarettes cause lung cancer. It's as simple as that.

I don't know anyone who's suffered lung cancer.

Screening for colon cancer can stop cancer in its tracks.

We desperately need ways of detecting early lung cancers.