Outcomes Of Surgically Treated N2-Positive Non-Small Cell Lung Cancer.

Portuguese journal of cardiac thoracic and vascular surgery(2024)

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摘要
INTRODUCTION:The role of surgery in the treatment of stage IIB/IIIA lung cancer is still a matter of debate. To assess the outcomes of N2-positive patients, we performed a retrospective 10-year study including all patients with histologically proven N2 disease submitted to lung resection surgery by the same surgical team in three different hospitals. MATERIALS AND METHODS:Demographic, clinical, surgical and survival data were collected from patients' clinical registries. Patients were divided into groups according to evidence of neoadjuvant chemotherapy and number of positive N2 stations. Outcomes regarding survival time within and between groups were calculated and compared. RESULTS:Sixty-four patients were included in our study, with a mean age of 62,2 years. Surgery was performed by uniportal VATS in 43.8% of cases. A mean of 3 nodal stations were sampled and 35 patients (54.7%) had one single positive N2 station. Post-operative complications occurred in 27% of patients but no post-operative mortality was recorded. Twenty-seven patients (42.2%) were submitted to neoadjuvant chemotherapy. Survival time within this group was of 67,7±10,5 months, which was not statistically different from those who performed upfront surgery (survival time 48±5,2 months). Patients with single N2 positive stations had a longer survival time than those with multiple N2 positive stations (p<0.05). Within the group of patients with single N2 disease (n=35), no difference in survival time was found regarding neoadjuvant therapy. CONCLUSIONS:Surgery is effective in selected patients with N2 disease, in particular those with single-N2 positive stations. Neoadjuvant chemotherapy may not grant survival benefit. Adequate pre-operative staging is essential.
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