(a) All patients
(b) NED patients
(c) WED patients
Figure 2: The correlations between sCEACAM1 and survival. The whole group of patients and NED exclusively or WED exclusively were divided into two groups (“low”/“high”) according to pre-treatment sCEACAM1 median level, and the survival rate of each subgroup was analyzed by Kaplan-Meier analysis. Group sizes were as follows: (low) and (high) in (a); (low) and (high) in (b).