ALT	Alanine aminotransferase
ASA	American Society of Anesthesiologists
AST	Aspartate aminotransferase
BC	Body composition
BMD	Bone mineral density
BMI	Body mass index
CCA	Cholangiocarcinoma
CCI	Comprehensive complication index
CD	Clavien–Dindo classification
CT	Computed tomography
FFP units	Fresh frozen plasma units
GCP	Good clinical practice
GGT	Gamma glutamyltransferase
HU	Hounsfield units
iCCA	Intrahepatic cholangiocarcinoma
ICU	Intensive care unit
L3	Third lumbar level
OLT	Orthotopic liver transplantation
OR	Odds-ratio
pCCA	Perihilar cholangiocarcinoma
PVE	Portal vein embolization
POD	Postoperative day
RBC units	Red blood cell units
SMA	Skeletal muscle radiation attenuation
SMI	Skeletal muscle index
UH-RWTH	University Hospital of the RWTH University
UICC	Union for International Cancer Control