HER2/Neu Ultralow Expression

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that HER2/Neu (ERBB2) expression was detected at very low levels in a sample.

**Synonyms:** - ERBB2 Ultra Low Expression - ERBB2 Ultra-Low Expression - ERBB2 Ultralow Expression - HER2/Neu Ultra Low Expression - HER2/Neu Ultra Low Expression - HER2/Neu Ultra-Low Expression