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Kaplan-Meier curves of overall survival of patients according to MSI status stratified based on TNM stage. (a) Stage II colorectal cancer. Patient with MSI-L tumors showed significantly poorer survival compared with patients who had MSI-H or MSS tumors, Log Rank p = 0.048. (b) Stage III/IV colorectal cancer. There is no significant association between survival of patients in advanced stages with MSI status, Log Rank p = 0.430.
