• Annals of surgery · Mar 2023

    Extent of Lymphadenectomy and Long-Term Survival in Esophageal Cancer.

    • Eivind Gottlieb-Vedi, Joonas H Kauppila, Fredrik Mattsson, Jakob Hedberg, Jan Johansson, David Edholm, Pernilla Lagergren, Magnus Nilsson, Jesper Lagergren, and FINEGO group.
    • Upper Gastrointestinal Surgery, Department of Molecular medicine and Surgery, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden.
    • Ann. Surg. 2023 Mar 1; 277 (3): 429436429-436.

    ObjectiveTo examine the hypothesis that survival in esophageal cancer increases with more removed lymph nodes during esophagectomy up to a plateau, after which it levels out or even decreases with further lymphadenec-tomy.Summary Of Background DataThere is uncertainty regarding the ideal extent of lymphadenectomy during esophagectomy to optimize long-term survival in esophageal cancer.MethodsThis population-based cohort study included almost every patient who underwent esophagectomy for esophageal cancer in Sweden or Finland in 2000-2016 with follow-up through 2019. Degree of lymphadenectomy, divided into deciles, was analyzed in relation to all-cause 5-year mortality. Multivariable Cox regression provided hazard ratios (HR) with 95% confidence intervals (95% CI) adjusted for all established prognostic factors.ResultsAmong 2306 patients, the second (4-8 nodes), seventh (21-24 nodes) and eighth decile (25-30 nodes) of lymphadenectomy showed the lowest all-cause 5-year mortality compared to the first decile [hazard ratio (HR) = 0.77, 95% CI 0.61-0.97, HR = 0.76, 95% CI 0.59-0.99, and HR = 0.73, 95% CI 0.57-0.93, respectively]. In stratified analyses, the survival benefit was greatest in decile 7 for patients with pathological T-stage T3/T4 (HR = 0.56, 95% CI0.40-0.78), although it was statistically improved in all deciles except decile 10. For patients without neoadjuvant chemotherapy, survival was greatest in decile 7 (HR = 0.60, 95% CI 0.41-0.86), although survival was also statistically significantly improved in deciles 2, 6, and 8.ConclusionSurvival in esophageal cancer was not improved by extensive lymphadenectomy, but resection of a moderate number (20-30) of nodes was prognostically beneficial for patients with advanced T-stages (T3/T4) and those not receiving neoadjuvant therapy.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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