David A. Bluemke, MD, PhD, Editor of Radiology discusses six research articles from the September 2019 issue of Radiology. ARTICLES DISCUSSED –Summary of Determinants of Rejection Rate for Coronary CT Angiography Fractional Flow Reserve Analysis. Radiology 2019; 292:597–605. Summary of Follow-up of Incidentally Detected Pancreatic Cystic Neoplasms: Do Baseline MRI and CT Features Predict Cyst Growth?. Radiology 2019; 292:647–654. Summary of Perfusion CT to Assess Response to Neoadjuvant Chemotherapy and Radiation Therapy in Pancreatic Ductal Adenocarcinoma: Initial Experience. Radiology 2019; 292:628–635. Summary of Impact of Respiratory Compromise in Inpatient Interventional Radiology Procedures with Moderate Sedation in the United States. Radiology 2019; 292:702–710. Summary of Acute Adverse Events Following Gadolinium-based Contrast Agent Administration: A Single-Center Retrospective Study of 281 945 Injections. Radiology 2019; 292:620–627. Summary of Altered Vascular Permeability in Migraine-associated Brain Regions: Evaluation with Dynamic Contrast enhanced MRI. Radiology 2019; 292:713–720