RecruitingGenetic interventionCollecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung CancerRATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors learn more about changes that may occur in RNA and identify biomarkers related to cancer. PURPOSE: This research study is collecting and analyzing lung tissue samples from patients undergoing surgery for non-small cell lung cancer.