Table 2 Grading system for cutaneous soft tissue sarcomas [21]
From: Metallothionein expression in feline injection site fibrosarcomas
Mitotic score | Number of mitoses in 2.37mm2; 400x |
1 | 0–9 |
2 | 10–19 |
3 | > 19 |
Tumour necrosis score | Necrosis as % of tumour area |
0 | Absent |
1 | ≤ 50% |
2 | > 50% |
Inflammation score | |
1 | None or mild |
2 | Mild to moderate |
3 | Severe |