Post-hepatectomy biliary fistula: from risk factors to the role of drain placement and management—still a lot to be answered

Hepatic resection represents the gold-standard treatment for different liver diseases. Among postoperative complications, bile leak remains one of the most common sources of morbidity, which can lead to an increase of hospital stay, need of invasive procedure and potentially death (1). The definition and acknowledge of risk factors for the development of biliary fistula as well as its early detection and optimal management is, in this sense, of crucial importance.