Figure 1From: Clinical and pathological features of five-year survivors after pancreatectomy for pancreatic adenocarcinomaReceiver operating characteristic (ROC) curve analysis of preoperative CA19-9 for prediction of five-year survival of patients with pancreatic carcinoma An ROC curve demonstrated that a preoperative serum CA19-9 level of 40 U/mL was the optimal cutoff point. The area under the curve (AUC) was 0.670.Back to article page