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. 2011 Jun 17;6(6):e21120. doi: 10.1371/journal.pone.0021120

Figure 1. Kaplan-Meier estimates of the cumulative effect of unfavorable genotypes on NSCLC survival stratified by treatment.

Figure 1

Solid line represents low-risk group, carrying 0 unfavorable genotypes in chemotherapy (A) and 0-1 unfavorable genotypes in chemoradiotherapy (B). Dashed line represents the medium-risk group, carrying 1-2 unfavorable genotypes in chemotherapy (A) and 2-3 unfavorable genotypes in chemoradiotherapy (B). Dotted line represents high risk group, carrying 3-4 unfavorable genotypes in chemotherapy (A) and 4–5 unfavorable genotypes in chemoradiotherapy (B). N: Number of Dead/Alive. MST: median survival time.