Table 2 Criteria used in Bcl-2 expression scoring
Bcl-2 score | Bcl-2 pattern surgical specimen | Bcl-2 expression assessment |
|---|---|---|
0 | No reactivity in cells | Negative |
1 +  | Weakly or focally positive | Negative |
2 +  | Strong positive in 40–70% of the cells | Positive |
3 +  | Strong and diffuse positive in 80–100% of the cells | Positive |