AP	Anteroposterior
AUC	Area under the curve
CXR	Chest X-ray
CTA	Computed tomography angiography
CT	Computed tomography
CV	Cardiovascular
D-LSA	Distal to left subclavian artery
EDF	Effective degrees of freedom
ED	Emergency department
GAM	Generalized additive model
GCV	Generalized cross-validation
ICC	Intraclass correlation coefficient
IQR	Interquartile range
MAD	Mean aortic diameter (effective diameter)
MD	Maximum diameter
NPV	Negative predictive value
PA	Posteroanterior
P-BCT	Proximal to brachiocephalic trunk
PACS	Picture archiving and communication system
PPV	Positive predictive value
RF	Random forest
SD	Standard deviation
UJCM	Jagiellonian University Medical College