Fig. 5From: Gallbladder cancer: review of a rare orphan gastrointestinal cancer with a focus on populations of New MexicoHER2 gene amplification detected by Fluorescence In-Situ Hybridization (FISH) method. This case had approximately nine HER2 gene copies per cell and showed a concordant 3+ staining for HER2 protein expression by IHCBack to article page