From: Computer-assisted assessment of the Human Epidermal Growth Factor Receptor 2 immunohistochemical assay in imaged histologic sections using a membrane isolation algorithm and quantitative analysis of positive controls
FISH Score
IHC = 0
IHC = 1
IHC = 2
IHC = 3
Total
≤ 1.7
25
22
15
6
68
1.8 – 2.2
1
2
0
4
≥ 2.3
3
5
17
27
28
26
23
99