Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40880-018-0342-8/MediaObjects/40880_2018_342_Fig4_HTML.png)
Forest plot of disease-free survival (a) and overall survival (b) of the TME and CCRT + TME groups in stratification analyses. TME, total mesorectal excision; CCRT, concurrent chemoradiotherapy; DFS, disease-free survival; OS, overall survival; CI, confidence interval; LAR, low anterior resection; APR, abdominoperineal resection