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| Enhancement pattern | ≤3c (n = 21) | 3.1–5.0 (n = 27) | >5 cm (n = 50) |
|---|---|---|---|
| Stable enhancement | 4 | 10 | 14 |
| Progressive enhancement | 6 | 9 | 20 |
| Wash-in and wash-out | 4 | 3 | 8 |
| Other patterns | 7 | 5 | 8 |
