Table 2. DBT Lesion Characteristics.

Lesion Characteristics on US	Benign	Malignancy	P
Shape			< 0.0001
Oval	31	24
Round	56	23
Lobular	23	14
Irregular	22	164
Margin			< 0.0001
Circumscribed	85	17
Microlobulated	9	12
Obscured	8	14
Indistinct	23	73
Spiculated	7	109
Density			< 0.0001
High	43	147
Equal	83	76
Low	3	2
Fat containing	3	0
Microcalcifications			< 0.0001
No	121	120
Yes	11	105
Architectural distortion			< 0.0001
No	123	100
Yes	9	125

Note.- DBT = digital breast tomosynthesis, US = ultrasound