• J. Thorac. Cardiovasc. Surg. · Jul 2024

    Factors Associated with Receipt of Pulmonary Metastasectomy in Patients with Lung-Limited Metastatic Colorectal Cancer: Disparities in Care and Impact on Overall Survival.

    • Mara B Antonoff, Naishu Kui, Ryan Sun, Nathaniel Deboever, Wayne Hofstetter, Reza J Mehran, Van K Morris, David C Rice, Stephen G Swisher, Ara A Vaporciyan, Garrett L Walsh, and Ravi Rajaram.
    • Department of Thoracic and Cardiovascular Surgery, University of Texas MD Anderson Cancer Center, Houston, Tex. Electronic address: mbantonoff@mdanderson.org.
    • J. Thorac. Cardiovasc. Surg. 2024 Jul 1; 168 (1): 263271263-271.

    ObjectivesPulmonary metastasectomy (PM) for colorectal cancer may provide respite from systemic therapy and prolonged disease-free intervals. We sought to identify factors associated with PM and to characterize the differential impact on overall survival for those offered lung resection.MethodsThe National Cancer Database was queried for stage IV colorectal cancer patients with lung-limited metastatic disease between 2010 and 2016. Among patients who underwent primary tumor resection, those who underwent PM were compared with those who did not. Penalized regression with the least absolute selection and shrinkage operator was used to determine factors associated with receiving metastasectomy as well as overall survival.ResultsIn total, 867 (15.1%) patients underwent resection of both primary tumor and pulmonary metastases whereas 4864 (84.8%) had primary tumor resection alone. In unadjusted analyses, metastasectomy patents were younger, more often privately insured, more educated, and traveled farther to receive care (all P < .001). In multivariable analyses, younger age, traveling >25 miles, and care at high-volume hospitals were associated with PM (P < .01). In addition, primary site surgery without PM was associated with worse overall survival (hazard ratio, 1.35; confidence interval, 1.23-1.49), even after adjusting for patient, tumor, and hospital-related factors.ConclusionsPatients who were older, who received care closer to home, and who were treated at low-volume hospitals were less likely to receive metastasectomy for lung-limited colorectal cancer after definitive resection of their primary tumor. Failure to receive PM resulted in worse overall survival, emphasizing the strong need for efforts to provide uniform, equitable care to all patients.Copyright © 2023 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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