David A. Bluemke, MD, PhD, Editor of Radiology discusses five research articles from the October 2019 issue of Radiology. ARTICLES DISCUSSED – Summary of Error Disclosure and Apology in Radiology: The Case for Further Dialogue. Radiology 2019; 293:30–35.;Summary of Acute Effects of Electronic Cigarette Aerosol Inhalation on Vascular Function Detected at Quantitative MRI. Radiology 2019; 293:97–106.;Summary of First-Trimester Exposure to Gadolinium-based Contrast Agents: A Utilization Study of 4.6 Million U.S. Pregnancies. Radiology 2019; 293:193–200.;Summary of Digital Mammography versus Breast Tomosynthesis: Impact of Breast Density on Diagnostic Performance in Population-based Screening. Radiology 2019; 293:60–68.;Summary of A Deep Learning Model to Triage Screening Mammograms: A Simulation Study. Radiology 2019; 293:38–46.