“…On the other hand, because laparotomy was the only surgical approach until the end of eighties, consecutive series of open cholecystectomies are representing the true reality of BDI, with no selection's bias. In more recent studies of open cholecystectomies during the laparoscopic era, these results remained unchanged in term of biliary complications (Table 5) (11,12,40,41), despite the fact that more difficult cases are now selected for an open or a converted approach, representing thus a hyperselection of risky patients.…”