Clinical Research Directory

Inclusion Criteria: * ≥ 18 years of age * Histologic documentation or clinical suspicion of non-small cell lung cancer based on pathology or imaging. * Location of disease must be either a central right-sided tumor (defined as tumors with a planning target volume within 2 cm of the primary airways) arising below the level of the heart or any left-sided tumor arising below the level of the heart. * Planned to receive hypofractionated radiation therapy (4-18 Gy fractions to a total dose of 45-70 Gy) * Planning the target volume that is at or below the most superior aspect of the heart. * Willing and able to provide written informed consent Exclusion Criteria: * Planning to receive concurrent or sequential chemotherapy or immunotherapy * Prior radiation therapy to the chest that included more than a minimal dose to the heart (\> 1 Gy mean dose).