Table 2. Evaluation of Histologic Grade.
| Postoperative histologic grade |
|||||
|---|---|---|---|---|---|
| G1 | G2 | G3 | Others | ||
| Preoperative histologic grade | G1 | 22 | 4 | 0 | 2 |
| G2 | 1 | 9 | 1 | 0 | |
| G3 | 0 | 0 | 5 | 0 | |
| Others | 1 | 1 | 2 | 11 | |
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