BI-RADS-a UW Phantom 1 |
almost entirely fat |
0.30 |
0.63 |
BI-RADS-a UW Phantom 2 |
almost entirely fat |
0.30 |
0.64 |
Uniform fat with skin layer |
almost entirely fat |
0.45 |
0.67 |
BI-RADS-b UW Phantom 1 |
scattered fibroglandular tissue |
0.25 |
0.62 |
BI-RADS-b UW Phantom 2 |
scattered fibroglandular tissue |
0.30 |
0.65 |
BI-RADS-b UW Phantom 3 |
scattered fibroglandular tissue |
0.50 |
0.69 |
BI-RADS-c UW Phantom 1 |
heterogeneous fibroglandular tissue |
0.61 |
0.72 |
BI-RADS-c UW Phantom 2 |
heterogeneous fibroglandular tissue |
0.58 |
0.68 |
BI-RADS-c UW Phantom 3 |
heterogeneous fibroglandular tissue |
0.69 |
0.72 |
BI-RADS-d UW Phantom 1 |
extreme fibroglandular tissue |
0.89 |
0.75 |
Uniform gland with skin layer |
extreme fibroglandular tissue |
3.4 |
1.8 |