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Ann Oncol. 2013 Apr;24(4):889-94. doi: 10.1093/annonc/mds495. Epub 2012 Nov 7.

Prognostic factors for survival after complete resections of synchronous lung cancers in multiple lobes: pooled analysis based on individual patient data.

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1
Department of Thoracic Oncology, H. Lee Moffitt Cancer Center, Tampa,FL 33612, USA.

Abstract

BACKGROUND:

Some reports suggest that patients with synchronous multiple foci of nonsmall-cell lung cancers (NSCLC) distributed in multiple lobes have a poor prognosis, even when there is no extrathoracic metastasis. The vast majority of such patients do not receive surgical treatment. For those who undergo surgery, prognostic factors are unclear.

PATIENTS AND METHODS:

We systematically reviewed the literature on surgery for synchronous NSCLC in multiple lobes published between 1990 and 2011. Individual patient data were used to obtain adjusted hazard ratios (HRs) in each dataset and pooled analyses were carried out.

RESULTS:

Six studies contributed 467 eligible patients for analysis. The median overall survival was 52.0 months [95% confidence interval 45.6-63.7]. Male gender and advanced age were associated with a decreased survival: HRs 1.64 (1.22, 2.22) and 1.40 (1.20, 1.80) per 20-year increment, respectively. Patients with cancers distributed in one lung had a higher mortality risk than those with bilateral disease: HRs 1.45 (1.06, 2.00). N1 or N2 had a decreased survival compared with N0: HRs 1.68 (1.12, 2.51) and 1.94 (1.33, 2.82), respectively. There was a trend toward increased mortality among patients with different histology: HRs 1.29 (0.96, 1.75).

CONCLUSION:

Advanced age, male gender, nodal involvement, and unilateral tumor location were poor prognostic factors.

PMID:
23136230
DOI:
10.1093/annonc/mds495
[Indexed for MEDLINE]
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