Fig. 2
Kaplan-Meier curves on cancer-specific survival stratified by prognostic clinical factors. a Cancer-specific survival stratified by age. b Cancer-specific survival stratified by postoperative complications. c Cancer-specific survival stratified by preoperative CEA level. d Cancer-specific survival stratified by tumor location. e Cancer-specific survival stratified by tumor stage. f Cancer-specific survival stratified by T-stage. g Cancer-specific survival stratified by N-stage. h Cancer-specific survival stratified by tumor differentiation grade. i Cancer-specific survival stratified by neoadjuvant therapy. j Cancer-specific survival stratified by adjuvant therapy