The purpose of this research is to evaluate if including the investigational Nodify XL2 test results in the decision-making process when planning the management of lung nodules will reduce the number of unnecessary surgical and biopsy procedures. The general study procedures include obtaining blood samples for Nodify XL2 tests, collecting relevant medical information (including test results ordered by your doctor in the management of your lung nodule), and documenting your doctor's recommendations for the treatment of your lung nodule. Participation in this research study may last up to 18 months.

This study aims to create a test that will detect changes in the genes found in the patient's blood very soon after he/she develops lung cancer. Detecting lung cancer at an early stage can significantly reduce the chance that the patient will die from lung cancer. This test is expected to perform better than any other tests that are currently available.