Breath test could detect lung cancer

By WEEK Producer

April 29, 2014 Updated Apr 29, 2014 at 11:27 PM CDT

A breath test may be able to detect early stage lung cancer.

Researchers at the University of Louisville used microchips to collect breath samples of more than 240 people.

Some were healthy and some had advanced lung cancer.

Doctors said the breath analysis appears to be twice as accurate as PET scans at identifying which patients have early lung cancer and which have benign disease.

This could someday help patients avoid unnecessary biopsies.

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