Fig. 1
Kaplan–Meier curves of OS after resection of BTC in patients stratified by the PNI. BTC biliary tract cancer, OS overall survival, PNI prognostic nutritional index
Fig. 1 | BMC Gastroenterology
Kaplan–Meier curves of OS after resection of BTC in patients stratified by the PNI. BTC biliary tract cancer, OS overall survival, PNI prognostic nutritional index