Traction-assisted Endoscopic Retrograde Cholangiopancreatography Using an S-O Clip for Difficult Biliary Cannulation in Billroth II Reconstruction With Tumor-associated Distortion
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Endoscopic retrograde cholangiopancreatography (ERCP) in patients with surgically altered anatomy is technically challenging, especially when the papilla is poorly oriented relative to the endoscope. We report a case of traction-assisted ERCP using an S-O clip... ...
