| 
      
        | Leakage    treatment | No. | % |  
        | Sphincterotomy    for clinical leakage with free cholangiogram (19) | 19 | 3 |  
        | Sphincterotomy    and stenting for mild leakage(typeA), (80) | 75 | 12 |  
        | Sphincterotomy    and stenting for marked leakage (B,C,D,E), (46) | 27 | 4.3 |  
        | Rendez-vous    techniques and endoscopic stenting (46) | 4 | 0.6 |  
        | Surgery    for failed cases (20), and bad compliance to endoscopy (2):
         
               • CBD repair over T tube • Bilio-enteric anastomosis
 
 | 7
 15
 | 1.1
 2.4
 |  |