AUC	area under the curve
CI	confidence interval
CSA	cross-sectional area
EGD	esophagogastroduodenoscopy
EUS	endoscopic ultrasonography
EVL	endoscopic variceal ligation
HCC	hepatocellular carcinoma
HFIUS	high-frequency intraluminal ultrasound
OR	odds ratio
RC	red color (as in RC sign)
ROC	receiver operating characteristic