Background: The purpose of the present study was to define the differential diagnostic markers of benign and malignant bile duct strictures without demonstrable mass on ultrasonography (US ...

Normal stools can vary in shades of brown ... Biliary cirrhosis is an inflammation or irritation of the bile ducts in the liver. The inflammation or irritation blocks the flow of bile to the ...

The main pancreatic duct merges with the bile duct to form the ampulla of Vater (a widening of the duct just before it enters the duodenum). The pancreas is an integral part of the digestive system.