Fig. 1.
a Kaplan-Meier analysis of time-to-BO stratified by age among the patients with CRC. b Kaplan-Meier analysis of time-to-BO stratified by T category among the patients with CRC. c Kaplan-Meier analysis of time-to-BO stratified by M category among the patients with CRC. d Kaplan-Meier analysis of time-to-BO stratified by primary tumor site among the patients with CRC