Blood Samples From Patients With Non-Small Cell Lung Cancer and From Healthy Volunteers

Inclusion Criteria:

Non-Small Cell Lung Cancer Patients

Documented diagnosis of non-small cell lung cancer, any stage and any time point in the course of treatment (i.e., at diagnosis, during any treatment, and during post treatment surveillance)
Measurable disease by CT scan within the past 4 weeks

Healthy volunteer

Non-smoking, defined as < 5 packs/year history of smoking and cessation of smoking ≥ 6 months ago OR a never smoker

Not regularly exposed (i.e., daily) to second-hand smoke

Exclusion Criteria:

Severe underlying lung disease (i.e., chronic obstructive pulmonary disease with FEV_1 < 1.0 L, pulmonary fibrosis, bronchiectasis, cystic fibrosis, etc.) as determined by enrolling researcher.

Written consent must be given for both subjects and controls.