“…For the hepatic location, excessive bile leakage; subphrenic abscess, parietal infection, cutaneous fistula, cholangitis, and septicemia can occur [4,6,8,9,11,15]. Some authors suggest pre-operative medical treatment to reduce the tension in the cyst and decrease the risk of spillage [1,3,6]; this treatment is used at least two weeks before surgery except in emergency situations. Other authors do not use preoperative treatment because it is thought to cause retention of membranes with a risk of re-occurrence [2].…”