Breath test could determine lung cancer

A new medical test promises to find signs of lung cancer, and also to reveal whether or not the patient is suffering from chronic, noncancerous lung conditions. Researchers developed a device that can "smell" lung cancer when patients blow into a balloon.

Background:

Breath Test Promises to Sniff Out Lung Cancer [LiveScience]

Researchers report double dose of promising lung cancer findings [Medical Xpress]