NEJM This Week — August 27, 2020

Featuring articles on selpercatinib in RET fusion–positive lung cancer, selpercatinib for medullary thyroid cancer, a closed-loop system in children with type 1 diabetes, sticky findings in breast cancer, and reconsidering the use of race correction in clinical algorithms; a review article on atherosclerotic plaque healing; a case report of a woman with headache and gait imbalance; and Perspective articles on improving the quality of U.S. health care, on Covid-19 and immunity in aging populations, and on U.S. efforts to curb antibiotic resistance. Supplement to the New England Journal of Medicine, Vol. 383, No. 9.