“…With the population-based large-scale vaccination campaign against coronavirus disease-2019 (COVID-19), lymphadenopathy related to the COVID-19 vaccine that mimics malignant lymphadenopathy has become an issue that radiologists should be aware of. Accordingly, the Korean Journal of Radiology recently published related articles [ 1 2 ] that have drawn much attention, including an interesting post-publication debate between Dr. Finsterer [ 3 ] and Dr. Ashoor et al [ 4 ] about recommended injection sites and routine baseline imaging before vaccination. Therefore, this editorial provides a quick summary of the current key facts and recommendations regarding COVID-19 vaccine-related lymphadenopathy.…”