Fig. 2From: Prognostic relevance of topoisomerase II α and minichromosome maintenance protein 6 expression in colorectal cancerKaplan-Meier survival analysis of the cumulative overall survival (a, c) and progression-free survival (b, d) of patients with colorectal carcinoma stratified by the expression of topoisomerase II α (a, b) and minichromosome maintenance protein 6 (c, d) according to the cut off. P-values were calculated by Log rank testsBack to article page