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Recurrence of HCC initially treated by PEI (n = 25)
| Location of recurrence | |
| Same segment | 8 (32.0%) |
| Same and other segments | 7 (28.0%) |
| Other segments | 8 (32.0%) |
| Others1 | 2 (8.0%) |
| Tumor diameter at detection (mm) | |
| ≤ 10 | 8 (32.0%) |
| 11-15 | 9 (36.0%) |
| 16-20 | 4 (16.0%) |
| 21-30 | 2 (8.0%) |
| ≥ 31 | 0 |
| Others | 2 (8.0%) |
In two cases, tumor thrombus was seen in portal vein and HCC metastasizing to distant site (sacrum and lumbar vertebra), respectively.
