Malignant biliary obstruction can be due to direct tumor infiltration ... drug-eluting stents were developed. A duodenal stricture complicates biliary stent placement in 10–20% of patients ...
With the patient under sedation, the DBE probe (EN450-T5; Fujinon Endoscopy, Wayne, NJ, USA) was passed into the third portion of the duodenum or ... with at least 20-mm tumor-free margins at ...
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