David A. Bluemke, MD, PhD, Editor of Radiology discusses three research articles from the January 2018 issue of Radiology.ARTICLES DISCUSSED: Ovarian Cancer: Prevalence in Incidental Simple Adnexal Cysts Initially Identified in CT Examinations of the Abdomen and Pelvis. Radiology 2018;286(1):196-204. Added Value of Computer-aided CT Image Features for Early Lung Cancer Diagnosis with Small Pulmonary Nodules: A Matched Case-Control Study. Radiology 2018;286(1):286-295.Reduced Pineal Volume in Alzheimer Disease: A Retrospective Cross-sectional MR Imaging Study. Radiology 2018;286(1):239-248.