Figure 3From: Clinical array-based karyotyping of breast cancer with equivocal HER2 status resolves gene copy number and reveals chromosome 17 complexity HER2 positive cases with aneusomy and polysomy. A: HER2 positive cases with complex chromosome 17 rearrangements B: Case of HER2 positive polysomy 17 which was positive by IHC and negative by FISH.Back to article page