Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Clinical course. The orange two-direction arrows indicate the wall thickness determined by abdominal ultrasonography. Orange arrowheads indicate the bile duct. The blue arrowhead indicates the endoscopic nasobiliary drainage tube. BD: Bile duct; PSL: Prednisolone; ENBD: Endoscopic nasobiliary drainage; IgG4: Immunoglobulin G4; ALT: Alanine aminotransferase; ALP: Alkaline phosphatase.
