LIST OF ABBREVIATIONS
µg/ml: Microgram per milliliter
µmol/l: Micromole per liter
AFP: Alpha Fetoprotein
AIP: Autoimmune Pancreatitis
CA: Carbohydrate Antigen
CBD: Common Bile Duct
CEA: Carcinoembryonic Antigen
CECT: Contrast-Enhanced Computed Tomography
CT: Computed Tomography
ERCP: Endoscopic Retrograde Cholangiopancreatography
gm%: Gram percentage
gm/dl: Gram per deciliter
HISORt: Histology, Imaging, Serology, Other organ involvement, Response
to therapy
IgG4: Immunoglobulin G Subclass 4
IgG4-RD: Immunoglobulin G Subclass 4 (IgG4)-Related Disease
IgG4-SC: IgG4 Related Sclerosing Cholangitis
IHBDs: Intrahepatic Bile Ducts
mg/ml: Milligram per milliliter
mg: Milligram
ng/ml: Nanogram per liter
PSC: Primary Sclerosing Cholangitis
TUTH: Tribhuvan University Teaching Hospital
U/L: Unit per liter
USG: Ultrasonography