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- W2000831561 abstract "Pathologic downstaging following chemotherapy for stage III-N2 NSCLC is a well-known positive prognostic indicator. However, the predictive factors for locoregional recurrence (LRR) in these patients are largely unknown. Between 1998 and 2008, 153 patients with clinically or pathologically staged III-N2 NSCLC from two cancer centers in the United States were treated with induction chemotherapy and surgery. All had pathologic N0-1 disease, and none received postoperative radiotherapy. LRR were defined as recurrence at the surgical site, lymph nodes (levels 1–14 including supraclavicular), or both. Median follow-up was 39.3 months. Pretreatment N2 status was confirmed pathologically (18.2 %) or by PET/CT (81.8 %). Overall, the 5-year LRR rate was 30.8 % (n = 38), with LRR being the first site of failure in 51 % (22/+99877943). Five-year overall survival for patients with LRR compared with those without was 21 versus 60.1 % (p < 0.001). Using multivariate analysis, significant predictors for LRR were pN1 disease at time of surgery (p < 0.001, HR 3.43, 95 % CI 1.80–6.56) and a trend for squamous histology (p = 0.072, HR 1.93, 95 % CI 0.94–3.98). Five-year LRR rate for pN1 versus pN0 disease was 62 versus 20 %. Neither single versus multistation N2 disease (p = 0.291) nor initial staging technique (p = 0.306) were predictors for LRR. N1 status also was predictive for higher distant recurrence (p = 0.021, HR 1.91, 95 % CI 1.1–3.3) but only trended for poorer survival (p = 0.123, HR 1.48, 95 % CI 0.9–2.44). LRR remains high in resected stage III-N2 NSCLC patients after induction chemotherapy and nodal downstaging, particularly in patients with persistent N1 disease." @default.
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- W2000831561 date "2012-12-20" @default.
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- W2000831561 title "Predictors for Locoregional Recurrence for Clinical Stage III-N2 Non-small Cell Lung Cancer with Nodal Downstaging After Induction Chemotherapy and Surgery" @default.
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- W2000831561 doi "https://doi.org/10.1245/s10434-012-2800-x" @default.
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