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NWTS 4 Bilateral Wilms Tumor Summary of Individual Procedures
| Surgical Procedures | Initial | Second | Third | Fourth |
|---|---|---|---|---|
| Complete Nephrectomy | 48(15%) | 56(26%) | 14(27%) | 2(25%) |
| Partial Nephrectomy/Wedge Resection | 31(10%) | 88(41%) | 18(35%) | - |
| Open Biopsy | 195(60%) | 56(26%) | 33(17%) | 6(75%) |
| Needle Biopsy | 44(13%) | 1(1%) | 0 | - |
| Enucleation | 8(2%) | 15(6%) | 3(2%) | - |
