Tumor Heterogeneity Index to Detect Human Epidermal Growth Factor Receptor 2 Amplification by Next-Generation Sequencing: A Direct Comparison Study with Immunohistochemistry
In conclusion, intratumoral heterogeneity of HER2 expression is observed in 52% of metastatic GC cases. NGS laboratories should be aware that accuracy of ERBB2 copy number alteration detection by NGS is influenced by the THI.
Source: The Journal of Molecular Diagnostics - Category: Pathology Source Type: research
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