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Post-operative adjuvant thoracic radiotherapy for patients with completely resected non-small cell lung cancer with nodal involvement: outcome and prognostic factors



Post-operative adjuvant thoracic radiotherapy for patients with completely resected non-small cell lung cancer with nodal involvement: outcome and prognostic factors



British Journal of Radiology 77(913): 43-48



The purpose of this study was to analyse the outcome and prognostic factors of non-small cell lung cancer (NSCLC) patients with nodal disease treated by complete tumour resection followed by radiotherapy alone. Between October 1990 and October 1999, 49 NSCLC patients with N1 or N2 stage were treated with complete resection of tumour followed by post-operative radiotherapy in our department. The radiation was delivered with 10 MV X-rays given 5 days per week at 1.8-2 Gy per fraction. Total doses ranged from 40 Gy to 64.8 Gy, with a median dose of 55.8 Gy. All patients had at least 30 months of follow-up. The 5 year overall survival rate (OS), local control rate (LC) and distant metastasis-free rate (DMF) were 34%, 52% and 29%, respectively. In multivariate analysis, stage and margin were found to influence OS. The total number of involved lymph nodes and positive margins were significant factors for LC. Only N stage was found to correlate with DMF. In conclusion, patients with multiple involved lymph nodes, advanced stage or positive surgical margins had a poor outcome even with post-operative radiotherapy. Based on these prognostic factors, new therapeutic regimens and modalities for NSCLC need to be further investigated.

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Accession: 049958313

Download citation: RISBibTeXText

PMID: 14988137

DOI: 10.1259/bjr/21845347


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