Single and Multiple Wedge Resections in Lung Metastasectomy: A Single-Center Experience

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Introduction: Lung metastases pose a significant challenge in oncology, indicating advanced disease and often requiring complex treatments. Wedge lung resection is a commonly used technique that provides oncological benefits without increasing postoperative complications. This study aims to evaluate surgical outcomes in relation to the number of wedge resections performed. Methods: From April 2023 to December 2024, all patients who underwent lung metastasectomy were identified from a prospectively maintained hospital database. Demographic data, clinical stage, type of primary disease, preoperative PET-CT findings, metastasis characteristics, and surgical outcomes were analyzed. Complications, hospital stay, resection type, lymph node sampling, and pathological stage were also assessed. The inclusion criteria required that all procedures be performed using wedge resections. Metastases were categorized according to the Migliore and Gonzalez classification. Results: Among the 30 patients analyzed, 20 were in the single-wedge group, and 10 were in the multiple-wedge group. In the single-wedge group, 90.0% of patients had metachronous lesions, compared to 63.3% in the multiple-wedge (2–3 wedges) group. Additionally, the T status of metastases varied significantly between the groups (p = 0.030); only 30.0% of patients in the single-wedge group had T1 lesions, compared to 60.0% in the multiple-wedge group. No significant differences were found in complications, hospital stay, surgical technique, post-resection margin status, stage grouping, or follow-up duration (all p > 0.1). Conclusion: The number of wedge resections in lung metastasectomy is not associated with an increased complication rate.

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