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Image of focal lesion’s margin on ABUS and FFDM depending on its type. Figure A shows ABUS image and C shows FFDM image of the same malignant lesion with ill-defined margin. Figure B shows ABUS image of benign lesion with well-defined margin. Figure B shows ABUS image and Figure D shows FFDM image of the same benign lesion with well-defined margin.
