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Eur J Cardiothorac Surg. 2016 Feb;49(2):596-601. doi: 10.1093/ejcts/ezv139. Epub 2015 Apr 18.

Evaluating the fate of patients who undergo resections of very large, node-negative lung cancers using the National Cancer DataBase.

Author information

1
Section of Thoracic Surgery, Yale School of Medicine, New Haven, CT, USA.
2
Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA.
3
Section of Thoracic Surgery, Yale School of Medicine, New Haven, CT, USA anthony.kim@yale.edu.

Abstract

OBJECTIVES:

To determine whether there are differences in survival associated with different treatment modalities among patients with lymph node-negative, very large non-small-cell lung cancers (NSCLCs).

METHODS:

The National Cancer DataBase was used to identify patients diagnosed with NSCLCs >7 cm (T3) without lymph node involvement (N0) or metastatic disease (M0) from 1999 to 2006. Surgical therapy included surgery alone, neoadjuvant chemoradiation therapy or chemotherapy, surgery followed by adjuvant chemoradiation therapy or chemotherapy and surgery followed by postoperative radiation therapy (PORT). The 5-year overall survival (OS) was estimated by the Kaplan-Meier method and comparisons were made using log-rank tests and Cox regression models.

RESULTS:

Of the 2296 patients identified with cT3N0M0 disease, 45% underwent surgical therapy. The 5-year OS rate was 38%. Across the different treatment regimens, there was a significant difference in 5-year OS. Neither neoadjuvant chemoradiation therapy or chemotherapy nor adjuvant chemoradiation therapy was associated with improved 5-year OS. The use of adjuvant chemotherapy was associated with improved OS relative to surgery alone [hazard ratio (HR) 0.70; 95% confidence interval (CI) 0.54-0.91, P = 0.008]. PORT alone was associated with a detrimental effect on 5-year OS relative to surgery alone [HR 2.04; 95% CI 1.38-3.03, P < 0.001].

CONCLUSIONS:

Large T3N0 NSCLCs appear to be optimally treated with surgical resection followed by adjuvant chemotherapy.

KEYWORDS:

National Cancer DataBase; Non-small-cell lung cancer; T3N0

PMID:
25890936
DOI:
10.1093/ejcts/ezv139
[Indexed for MEDLINE]

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