Dr. Kunio Doi was awarded the 23rd ICRU Gray Medal on April 15, 2023 in Yokohama Japan at the Japan Radiology Congress. The title of Dr. Doi’s talk was “Image Analysis and Computer-Aided Diagnosis (CAD) in Medical Imaging.” The medal was presented to Dr. Doi by ICRU Commission Members, Drs. Thomas “Rock” Mackie and Dr. John M. Boone.