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Abnormalities on ultrasound when compared with magnetic resonance imaging.
| Modality | Count | MRI |
Total | |
|---|---|---|---|---|
| No abnormality detected | Abnormality detected | |||
| US | No abnormality detected | 480 | 7 | 487 |
| Abnormality detected | 24 | 104 | 128 | |
| Total | 504 | 111 | 615 | |
US, ultrasound; MRI, magnetic resonance imaging.
