Fig. 1

Kaplan-Meier survival curves of the patients with mid/low rectal cancer in the TME and CCRT + TME groups. TME, total mesorectal excision; CCRT, concurrent chemoradiotherapy; HR, hazard ratio; CI, confidence interval. a, the overall survival (OS) curve of the whole cohort. b, the disease-free survival (DFS) curve of the whole cohort. c, the OS curves of the TME and CCRT + TME groups. d, the DFS curves of the TME and CCRT + TME groups.