Figure 2From: Prognostic significance of postoperative serum carcinoembryonic antigen levels in patients with completely resected pathological-stage I non-small cell lung cancer Overall survival curves according to the number of independent unfavorable prognostic factors (tumor diameter of more than 30 mm, presence of VPI, and the HH group) on the basis of the results of multivariate analyses. Five-year overall survival rate was 58.0% for those harboring 2 or more unfavorable prognostic factors (n = 25). VPI, visceral pleural invasion.Back to article page