Stereotactic Body Radiation Therapy (SBRT) is a noninvasive, safe, and effective treatment for early-stage lung cancer and metastatic lung disease in selected patients. Although there is no current consensus on the ideal dose and fractionation schedule for pulmonary SBRT, intensive regimens of BED ≥100 Gy are associated with significantly better local control and survival.The purpose of this study was to analyz...