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| Breast phantom/ characteristic of TMMs | PVC-softener ratio (×10−2 g/mL) | Imaging characteristic | Measured value | Published value |
|---|---|---|---|---|
| Background | 12.3 | CT number (HU) | +36.2 | +40 (36) |
| T1 (ms) | 206.81±17.50 | 1,324.42±167.63 (44) | ||
| T2 (ms) | 20.22±5.74 | 54.36±9.35 (44) | ||
| 12.3 (3.0% graphite power) | Speed of sound (m/s) | 1,397.9 (41) | 1,544 (45,46) | |
| Tumor | 15.2 | CT number (HU) | +59.4 | +10 to +60 (36,47) |
