[Safety and efficacy of the use of self-expanding metal stents in the management ofunresectable malignant biliary stenosis].

Background: In recent years there has been an increase in the use of self-expanding metallic stents (SEMS) in patients with unresectable malignant stenosis of the bile duct. However, in Peru there are no reports on the safety and efficacy of this procedure.

Objective: To evaluate the safety and efficacy of the use of SEMS in the palliative management of malignant stenosis of the bile duct.