The Original Investigation titled “PD-(L)1 Inhibitor Monotherapy vs Chemoimmunotherapy for Advanced NSCLC With High PD-L1 Expression: A Systematic Review and Meta-Analysis,” published online on June 4, 2026, included errors in a data point in Figure 1 and citations in Figures 1 and 3. In Figure 1A, the upper bound of the 95% CI for the hazard ratio corresponding to the third study from the top, Zhong et al, was changed from 1.75 to 1.90. Also in Figure 1A, the citation in the last study listed, Lu et al, was changed from reference number 33 to 32. In Figure 3A, the citation in the first row, Zhou et al, was changed from reference number 17 to 16. This article has been corrected online.