Individuals with stones, tumors, strictures or other abnormalities of the bile ducts, gall bladder, or pancreas

Individuals with evidence of blockage of the bile duct identified by ultrasound, ct scan or other diagnostic test

Individuals with evidence of blockage of the bile duct identified by ultrasound, ct scan or other diagnostic test

Individuals with unexplained recurrent pancreatitis

Individuals with unexplained jaundice

Individuals with unexplained abnormalities of liver chemistries

Individuals being considered for liver transplantation