Jeffrey S. Klein, MD, Editor of RadioGraphics, discusses six articles from the Novebmer-December 2018 issue of RadioGraphics. ARTICLES DISCUSSED: Deep Learning Electronic Cleansing for Single- and Dual-Energy CT Colonography., RadioGraphics 2018; 38:2034-2050; Imaging Features and Management of Stress, Atypical, and Pathologic Fractures., RadioGraphics 2018; 38:2173-2192; Layered Approach to the Anterior Knee: Normal Anatomy and Disorders Associated with Anterior Knee Pain., RadioGraphics 2018; 38:2069-2101; LI-RADS Version 2018 Ancillary Features at MRI., RadioGraphics 2018; 38:1973-2001; Pediatric Brain Tumor Genetics: What Radiologists Need to Know., RadioGraphics 2018; 38: 2102–2122; Signs and Artifacts in Amyloid PET., RadioGraphics 2018; 38:2123-2133.