Table 2. LR-5 diagnostic criteria.

Criteria	Definition
ACR CEUS LR-5	≥1 cm: APHE, late and mild washout
Modified LR-5 (version 1)	≥1 cm: APHE (not rim and not peripheral globular) and KP defect; APHE (not rim and not peripheral globular), early washout, and mild KP defect
Modified LR-5 (version 2)	≥1 cm: APHE (not rim and not peripheral globular) and KP defect

ACR, American College of Radiology; CEUS, contrast-enhanced ultrasound; LR-5, LI-RADS category 5; LI-RADS, liver imaging reporting and data system; APHE, arterial phase hyperenhancement; KP, Kupffer phase.