Pre-ERCP diagnosis (n=410)
n
%
Choledocholithiasis
323
78.9
Biliary Malignancy
52
12.7
Postoperative bile leak
13
3.1
Hydatid cyst-Bile fistula
12
2.9
Pancreatic head cancer
7
1.7
Stent obstruction
3
0.7
