Dr. Francis Deng discusses key highlights of the 2021 WHO Central Nervous System Classification with Dr. Derek Johnson. "A Radiologist's Guide to the 2021 WHO Central Nervous System Tumor Classification: Part 1 - Key Concepts and the Spectrum of Diffuse Glioma" A Radiologist’s Guide to the 2021 WHO Central Nervous System Tumor Classification: Part I—Key Concepts and the Spectrum of Diffuse Gliomas. Johnson et al. Radiology 2022; 304:494–508.