The Prognostic Value of the CA19-9/TBIL Ratio in Patients with Biliary Tract Cancers (BTCs): A Retrospective Study

Figure 1

ROC curves and area under the ROC curve for CTR and CA19-9 as a predictor for prognosis of patients with BTCs. CTR: CA19-9/TBIL ratio; BTCs: biliary tract cancers.