(b) Grading.
| Previous Grade | Final Grade | Number of cases |
|---|---|---|
| Leiomyosarcoma, grade 3 | Grade 1 | 1 |
| Leiomyosarcoma, grade 2 | Grade 1 | 3 |
| Leiomyosarcoma, grade 1 | Grade 2 | 5 |
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