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Ultrasound classification of lesions and recurrence
| Ultrasound classification | Cases (%) | Postoperative recurrence cases (%) |
|---|---|---|
| Diffuse type | 0 (0) | – |
| Sheet hypoechoic type | 17 (56.7) | 3 (17.6) |
| Localized abscess type | 9 (30) | 0 |
| Localized hypoechoic mass type | 4 (13.3) | 0 |
| All | 30 (100) | 3 (10) |
