1.

Baseline and clinicopathologic characteristics of patients

Variables	Benign (N=36)	Malignant (N=52)	P
BI-RADS, Breast Imaging Reporting and Data System.
Age [median (range)], year	43 (13−59)	45 (27−82)	0.233
Tumor size [median (range)], cm	2.56 (0.60−10.30)	2.59 (0.90−10.50)	0.353
ADC value, ×10−6 mm2/s	1,233.5±191.0	1,035.0±120.5	<0.001
Ktrans value [median (range)], min−1	1.14 (0.49, 2.22)	1.91 (0.85, 3.08)	0.032
Sub-classification [n (%)]			0.002
BI-RADS 4A	10 (27.8%)	2 (3.8%)	−
BI-RADS 4B	19 (52.8%)	28 (53.8%)	−
BI-RADS 4C	7 (19.4%)	22 (42.3%)	−