US	Ultrasound
USG	Ultrasonography
CEUSG	Contrast-enhanced ultrasonography
CNN	Convolutional neural network
BLT	Benign liver tumor
LCY	Liver cyst
MLC	Metastatic liver cancer
PLC	Primary liver cancer
SV	Soft voting
WAV	Weighted average voting
WHV	Weighted hard voting
ST	Stacking
DL	Deep learning
HCC	Hepatocellular carcinoma
FNH	Focal nodular hyperplasia
AI	Artificial intelligence
CT	Computed tomography
CECT	Contrast-enhanced computed tomography
MRI	Magnetic Resonance Imaging
FLLs	Focal liver lesions
SVM	Support vector machine
Gd-EOB-DTPA	Gadoliniumethoxybenzyl-diethylenetriamine pentaacetic acid
AMED	Japan agency for medical research and development
COVID-19	Coronavirus disease 2019
RAM	Random access memory
TP	True positive
TN	True negative
FP	False positive
FN	False negative
ROC	Receiver operating characteristic
AUC	Area under the curve
CORR	Correlation coefficient
XGBoost	Extreme gradient boosting
LightGBM	Light gradient boosting machine