Fig. 1From: Clinical and therapeutic features and prognostic factors of metastatic colorectal cancer over age 80: a retrospective studyKaplan–Meier curves comparing the super-elderly group with the younger group. The median OS was 14.0 months in the super-elderly group and 25.8 months in the younger group. (P < 0.0001). The 1- and 3-year OS in the in the younger group were 79% and 37%, respectively, and those in the super-elderly group were 54% and 14%, respectivelyBack to article page