Table 1.
Broder’s (1920) grading system
| Grade | Type | Degree of differentiation (%) |
|---|---|---|
| Grade 1 | Well | 75-100 |
| Grade 2 | Moderate | 50-75 |
| Grade 3 | Poor | 25-50 |
| Grade 4 | Anaplastic | 0-25 |
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