Fig. 1

Cortactin was upregulated in lung cancer tissues and could be a marker of poorer prognosis in human NSCLC. a Expression profiles of CTTN in primary lung cancer and matched normal tissues were reported as 2^-∆Ct values. b and c Kaplan-Meier curves for progression-free survival (PFS) and overall survival (OS) according to expression levels of cortactin. PFS and OS rate were calculated by log-rank test. d Cortactin expression in lung cancer tissues was quantified as 2-^∆Ct values. Cortactin expression levels in primary metastasis-positive NSCLC tissues were compared with metastasis-negative tissues