DUSP4 and colorectal adenocarcinoma: There was no significant correlation between DUSP4 expression and overall survival (P = 0.091, log-rank test) or disease-free survival (P = 0.100, log-rank test) according to the Kaplan-Meier survival curves in all 439 patients with colorectal adenocarcinoma (Figures 3(a) and 3(b)).