Fig. 3.

Cholangiographic finding. Endoscopic retrograde cholangiography using carbon dioxide insufflation shows kinking of the common bile duct 1 cm above the proximal end of the metal stent (arrows).

Cholangiographic finding. Endoscopic retrograde cholangiography using carbon dioxide insufflation shows kinking of the common bile duct 1 cm above the proximal end of the metal stent (arrows).