Figure 1.

Kaplan-Meier curves for (A) overall survival (OS) and (B) progression free survival (PFS) for patients with EGFR-positive (n = 152) and EGFR-negative (n = 205) disease. Median OS: 10.9 vs 10.6 months, p = 0.463; median PFS: 5.3 vs 5.7 months, p = 0.185.

Atmaca et al. BMC Cancer 2012 12:524   doi:10.1186/1471-2407-12-524
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