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Speed of sound of the materials in the breast-mimicking phantom.
| Tissue-mimicking material | Fat | Mixed fat and glandular, Lo-G in Fig. 4 | High speed of sound glandular | Hypoechoic lesions | Hyperechoic lesions |
|---|---|---|---|---|---|
| Speed of sound(m/s) | 1412 | 1423 | 1455 | 1539 | 1550 |
