“…Bile duct injury results from bad identification of anatomy of biliary tree by the surgeon and orientation of anatomical variations of the biliary tree, these biliary tree anatomical variations occur in about 25% of patients with aberrant right hepatic ducts (RHD) being the most common , another common variation is low insertion of a right sectorial hepatic duct into the common hepatic duct or the cystic duct increases the risk of injury during both open and laparoscopic cholecystectomy, So detailed knowledge of all possible anatomical variations is crucial for surgeons to avoid such complications [17].…”