Fig. 1

Kaplan-Meier survival functions stratified by microsatellite instability (MSI) status. Kaplan-Meier survival functions stratified according to MSI status for the sub-cohort excluding stage IV patients and patients with unknown MSI tumor data (n = 431). MSI-H: microsatellite instability high; MSI-L: microsatellite instability low; MSS: microsatellite stable