Table 3.
Risk stratification and treatment assignment for patients with favorable histology Wilms tumor (COG)
| Patient age | Tumor weight | Stage | LOH | Rapid response | Final-risk group | Treatment study |
|---|---|---|---|---|---|---|
| <2 y | <550 g | I | Any | N/A | Very Low | AREN0532 |
| Any | ≥550 g | I | None | N/A | Low | None |
| ≥2 y | Any | I | None | N/A | Low | None |
| Any | Any | II | None | N/A | Low | None |
| ≥2 y | Any | I | LOH | N/A | Standard | AREN0532 |
| Any | ≥550 g | I | LOH | N/A | Standard | AREN0532 |
| Any | Any | II | LOH | N/A | Standard | AREN0532 |
| Any | Any | III | None | Any | Standard | AREN0532 |
| Any | Any | III | LOH | Any | Higher | AREN0533 |
| Any | Any | IV | LOH | Any | Higher | AREN0533 |
| Any | Any | IV | None | Yes | Standard | AREN0533 |
| Any | Any | IV | None | No | Higher | AREN0533 |
| Any | Any | V | Any | Any | Bilateral | AREN0534 |