Calcification, Posterior Acoustic, and Blood Flow: Ultrasonic Characteristics of Triple-Negative Breast Cancer

Table 2

BI-RADS assessed by the US and mammography.

	US	Mammography
TNBC		(N = 122)
0		2
1		1
2		1
3	12	6
4A	28	5
4B	41	41
4C	49	37
5	54	29
Non-TNBC		(N = 155)
0		2
1		1
2		4
3	11	3
4A	52	3
4B	29	39
4C	51	35
5	53	68