Fig. 6

Risk model and external validation. A, B Constructing a risk model of seven genes model by LASSO regression. C, D, E Risk scores of colon cancer patients in the training, testing, and complete sets, respectively. F, G, H Survival time and survival status of colon cancer cases between low- and high-risk groups in the train, testing, and complete sets in the TCGA cohort. I, J, K Kaplan–Meier analysis of OS between low- and high-risk groups in the training, testing and complete sets in the TCGA cohort. L, M, N The ROC curves for 1-, 3- and 5-year OS of colon cancer samples in the training, testing and complete sets in the TCGA cohort. O Kaplan–Meier analysis of OS in the external validation cohort