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. 2013 Mar 26;8(3):e60576. doi: 10.1371/journal.pone.0060576

Table 1. HER2 protein and its gene status in the breast tumors.

IHC FISH Total
Not amplified Equivocal Amplified
1+ 60 (89.55%) 2 (2.99%) 5 (7.46%) 67 (57.76%)
2+ 23 (71.87%) 3 (9.38%) 6 (18.75%) 32 (27.59%)
3+ 0 (0%) 0 (0%) 17 (100%) 17 (14.65%)
Total 83 (71.55%) 5 (4.31%) 28 (24.14%) 116 (100%)

IHC: immunohistochemistry; FISH: fluorescence in situ hybridization.