The Annals of thoracic surgery · 2015
Margin Distance Does Not Influence Recurrence and Survival After Wedge Resection for Lung Cancer.
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Maurizi Giulio, D'Andrilli Antonio, Ciccone Anna Maria, Ibrahim Mohsen, Andreetti Claudio, Tierno Simone, Poggi Camilla, Menna Cecilia, Venuta Federico, Rendina Erino Angelo
Аннотация
BACKGROUND: The relationship between the free margin distance and the recurrence rate and overall survival after R0 wedge resection for non-small cell lung cancer (NSCLC) is still not clear. We retrospectively evaluated the long-term oncologic outcome of patients who had undergone wedge resection for NSCLC to assess the prognostic effect of margin distance in this setting.
METHODS: Between 2003 and 2013, 243 consecutive patients with a functional contraindication to major lung resection underwent wedge resection with systematic lymph node dissection for clinical stage I NSCLC. The study enrolled 182 patients with pathologic stage I and R0 resection and divided them into three subgroups according to margin distance of less than 1 cm (n = 30), 1 to 2 cm (n = 80), and more than 2 cm (n = 72).
RESULTS: The histologic assessment was adenocarcinoma in 112 patients, squamous cell in 30, and other in 40. Postoperative morbidity was 18.7%, and postoperative mortality was 1.1%. The median follow-up was 31 months (range, 2 to 133 months). The locoregional (lung parenchyma, hilum, mediastinum) recurrence rate was 26.4% (n = 48). The distant recurrence rate was 11% (n = 20). Overall 5-year survival was 70.4%. Disease-free 5-year survival was 51.7%. There was no statistical difference in locoregional (p = 0.9) and distant (p = 0.3) recurrence rate and no difference in overall survival (p = 0.07) when the three groups were compared.
CONCLUSIONS: Wedge resection is a viable option for the surgical treatment of stage I NSCLC when lobectomy is contraindicated. The distance between the tumor and the parenchymal suture margin does not influence recurrence or the survival rate when an R0 resection is achieved.
METHODS: Between 2003 and 2013, 243 consecutive patients with a functional contraindication to major lung resection underwent wedge resection with systematic lymph node dissection for clinical stage I NSCLC. The study enrolled 182 patients with pathologic stage I and R0 resection and divided them into three subgroups according to margin distance of less than 1 cm (n = 30), 1 to 2 cm (n = 80), and more than 2 cm (n = 72).
RESULTS: The histologic assessment was adenocarcinoma in 112 patients, squamous cell in 30, and other in 40. Postoperative morbidity was 18.7%, and postoperative mortality was 1.1%. The median follow-up was 31 months (range, 2 to 133 months). The locoregional (lung parenchyma, hilum, mediastinum) recurrence rate was 26.4% (n = 48). The distant recurrence rate was 11% (n = 20). Overall 5-year survival was 70.4%. Disease-free 5-year survival was 51.7%. There was no statistical difference in locoregional (p = 0.9) and distant (p = 0.3) recurrence rate and no difference in overall survival (p = 0.07) when the three groups were compared.
CONCLUSIONS: Wedge resection is a viable option for the surgical treatment of stage I NSCLC when lobectomy is contraindicated. The distance between the tumor and the parenchymal suture margin does not influence recurrence or the survival rate when an R0 resection is achieved.