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Risk group classifications for noninvasive TCC
| Risk group | Pathology |
|---|---|
| Low | Grade 1 Stage Ta |
| Grade 1 Stage T 1 single tumor | |
| Size up to 1 cm | |
| Intermediate | Grade 1 Stage T 1 multiple tumor |
| Grade 2 Stage Ta | |
| Grade 2 Stage T 1 single tumor | |
| Size 1-3 cm | |
| High | Grade 2 Stage T 1 multiple tumor |
| Grade 3 Stage Ta | |
| Grade 3 Stage T 1 single tumor | |
| CIS association | |
| Size >3 cm |
