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Intraductal ultrasound showing a polypoid mass in the distal common bile duct

Intraductal ultrasound showing a polypoid mass in the distal common bile duct
Polypoid mass within the distal common bile duct as seen by intraductal ultrasound.
Courtesy of Michael J Levy, MD, Enrique Vazquez-Sequeiros, MD, and Maurits J Wiersema, MD.
Graphic 79075 Version 4.0