Tumor volume is a prognostic factor in non-small-cell lung cancer treated with chemoradiotherapy

Brian M. Alexander, Megan Othus, Hale B. Caglar, Aaron M. Allen

Research output: Contribution to journalArticlepeer-review


Purpose: To investigate whether primary tumor and nodal volumes defined on radiotherapy planning scans are correlated with outcome (survival and recurrence) after combined-modality treatment. Methods and Materials: A retrospective review of patients with Stage III non-small-cell lung cancer treated with chemoradiation at Brigham and Women's Hospital/Dana-Farber Cancer Institute from 2000 to 2006 was performed. Tumor and nodal volume measurements, as computed by Eclipse (Varian, Palo Alto, CA), were used as independent variables, along with existing clinical factors, in univariate and multivariate analyses for association with outcomes. Results: For patients treated with definitive chemoradiotherapy, both nodal volume (hazard ratio [HR], 1.09; p < 0.01) and tumor volume (HR, 1.03; p < 0.01) were associated with overall survival on multivariate analysis. Both nodal volume (HR, 1.10; p < 0.01) and tumor volume (HR, 1.04; p < 0.01) were also associated with local control but not distant metastases. Conclusions: In addition to traditional surgical staging variables, disease burden, measured by primary tumor and nodal metastases volume, provides information that may be helpful in determining prognosis and identifying groups of patients for which more aggressive local therapy is warranted.

Original languageEnglish
Pages (from-to)1381-1387
Number of pages7
JournalInternational Journal of Radiation Oncology Biology Physics
Issue number5
StatePublished - 1 Apr 2011
Externally publishedYes


  • Chemoradiotherapy
  • Non-small-cell lung cancer
  • Prognosis


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