“…In such cases with the application of drainage early operation can be avoided [1, 4,6,8,10,11,12,21,26,32,35,39,42]. Others suggest transluminal endoscopic (NOTES) procedure if percuteanous drainage is failed [7,13,15,27,30,31,41] Some authors suggest the combination of external and internal drainage with endoscpopic necrosectomy [27,30,]. Complications related to percutaneous drainage are rare.…”