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In the Original Investigation titled “Mismatch Repair Deficiency, Microsatellite Instability, and Survival: An Exploratory Analysis of the Medical Research Council Adjuvant Gastric Infusional Chemotherapy (MAGIC) Trial,”1 published online February 23, 2017, and in the September 2017 print issue, the labels for mismatch repair deficiency (MMRD) and mismatch repair proficiency (MMRP) were switched. This article has been corrected online.
Errors in Figure 2. JAMA Oncol. 2022;8(9):1359. doi:10.1001/jamaoncol.2022.2647
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