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Summary of nodule-in-nodule appearance
| Appearance |
|---|
| Nodule-in-nodule appearance specifically favors hepatocellular carcinoma as opposed to malignancy in general |
| Nodule-in-nodule appearance is a subset of mosaic appearance |
| Interpreters may, at their discretion, apply nodule-in-nodule appearance to upgrade the category (up to LR-4) for such observations |
| If uncertain about the feature, do not characterize it as having nodule-in-nodule appearance |
