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- W2312188622 abstract "Objectives The objective of this study was to evaluate the treatment outcomes and prognostic factors of neoadjuvant concurrent chemoradiotherapy (CCRT) followed by surgical resection for non-small cell lung cancer (NSCLC) with N2 disease. Materials and methods A retrospective review of patients with N2 disease who underwent neoadjuvant CCRT followed by surgery at our institution was performed and multivariate Cox regression analysis was used to determine the factors associated with survival outcomes. Results From 1997 to 2013, 574 patients underwent curative-intent surgery after neoadjuvant CCRT for NSCLC with N2 disease. The mean age was 59 years (444 men, 77%). The extent of surgery included lobectomy in 418 patients (73%), pneumonectomy in 73 (13%), and sleeve resection in 25 (4.3%). Complete resection was obtained in 543 patients (95%). Postoperative complications and in-hospital mortality occurred in 199 patients (35%) and 21 (3.7%), respectively. Pathologic complete response was achieved in 72 patients (13%) and 304 (53%) experienced mediastinal clearance. With a mean follow-up of 36 months, median overall survival (OS) and recurrence-free survival (RFS) were 56 months and 18 months, respectively. The 5-year OS rates were 61% in ypN0, 49% in ypN1, and 35% in ypN2 (p = 0.001). The 5-year RFS rates were 45% in ypN0, 23% in ypN1, and 17% in ypN2 (p < 0.001). Older age, advanced pT stage, persistent N2, large cell carcinoma, and pneumonectomy were independent prognostic factors associated with worse OS and poorer RFS. Conclusion Neoadjuvant CCRT followed by surgery could be performed with acceptable early postoperative outcomes, satisfactory local control, and encouraging long-term survival. Care should be taken in selecting patients when necessitating pneumonectomy after neoadjuvant CCRT. Further efforts to improve outcomes in patients with persistent N2 disease are required." @default.
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- W2312188622 date "2016-06-01" @default.
- W2312188622 modified "2023-10-06" @default.
- W2312188622 title "Outcomes of neoadjuvant concurrent chemoradiotherapy followed by surgery for non-small-cell lung cancer with N2 disease" @default.
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- W2312188622 doi "https://doi.org/10.1016/j.lungcan.2016.03.016" @default.
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