In the article titled “Efficacy of Perioperative Chemotherapy for Resectable Pancreatic Adenocarcinoma: A Phase 2 Randomized Clinical Trial,” published online January 21, 2021, and also in the March 2021 issue of JAMA Oncology,1 there was an error in the reported frequency of fluorouracil dosing in the Intervention section of the Visual Abstract. The correct dosing frequency is every 2 weeks. The article has been corrected online.