David A. Bluemke, MD, PhD, Editor of Radiology discusses four research articles from the February 2019 issue of Radiology. ARTICLES DISCUSSED – Summary of Barriers to Lung Cancer Screening Engagement from the Patient and Provider Perspective. Radiology 2019;290:278-287. Summary of Autologous Blood Patch Injection versus Hydrogel Plug in CT-guided Lung Biopsy: A Prospective Randomized Trial. Radiology 2019;290:547-554. Summary of Long-term Graft and Patient Survival after Percutaneous Angioplasty or Arterial Stent Placement for Transplant Renal Artery Stenosis: A 21-year Matched Cohort Study. Radiology 2019; 290:555-563. Summary of A Deep Learning Model to Predict a Diagnosis of Alzheimer Disease by Using 18F-FDG PET of the Brain. Radiology 2019;290:456-464.