métal (1) analyse (1) drainage (1) taux (1) survie (1) Complications (1) Control (1) Pancreaticoduodenectomy (1) Endoscopic retrograde cholangiopancreatography (1) Rates (1) Survival (1) Surgery--Complications (1) Success (1) Social sciences (1) Patients (1) Drainage (1) Analysis (1) Rates (1) Patients (1) cohorte (1) drainage (1)