Delayed Adjacent Chemotherapy and Survival After Lung Cancer Surgery

To the Editor In their recent article in JAMA Oncology, Salazar et al found that patients with non–small cell lung cancer treated with delayed chemotherapy, defined as chemotherapy administered after 56 days, had better outcomes, with hazard ratio of 0.664 (95% CI, 0.623-0.707; P < .001) compared with patients who received surgery alone. The authors listed multiple valid limitations to their study, including the retrospective nature of the National Cancer Database data that they used.

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