Fig. 1

Comparison of the median survival by the Kaplan-Meier method; for group A patients [endobronchial cryotherapy (EBCT) + chemoradiotherapy (CRT)] and group B patients [chemoradiotherapy (CRT)]. The median survival; 9.7±0.4 months (95% CI= 8.86–10.54), T test = 2.631, P= 0.011