Stereotactic body radiation therapy for non-small cell lung cancer patients with prior history of thoracic surgery and/or radiation therapy: the influence of smoking, size, and central location on risk of complications

Purpose The purpose of this retrospective cohort study was to evaluate the effect of tumor location and other major factors on the risk of complications from stereotactic body radiation therapy (SBRT) in non-small cell lung cancer (NSCLC) patients with a history of thoracic surgery and/or radiation therapy.