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Ancillary features (AF) presented in the CEUS LI-RADS® v2017 and CT/MRI LI-RADS® v2018 core documents—summary table for comparison across CEUS, CT, and MRI (similarities/differences). AF only assessable by CT/MRI were not included in this table.
| CEUS | CT | MRI | ||
|---|---|---|---|---|
| Favoring HCC | Mosaic appearance | + | + | ++ |
| Nodule in nodule | + | + | ++ | |
| Favoring malignancy (in general) |
Size increase | Definite growth (+) |
Subthreshold growth (+) | |
| Favoring benignity | Size stability >2 years | + | + | + |
| Size reduction | + | + | + | |
