ERBB2 Gene Amplification

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular genetic abnormality indicating the presence of multiple copies of the ERBB2 gene.

**Synonyms:** - ERBB2 Amplification - HER-2 Gene Amplification - HER2 Amplification - HER2 Gene Amplification - HER2/Neu Amplification - Positive - c-erbB2 Gene Amplification