Estrogen Receptor Low Expression

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that estrogen receptor expression was detected at low levels in a sample.

**Synonyms:** - ER Low - ER Low Positive - ER Low+ - ER-Low Positive - ER-Low+ - ER-Low-Positive - ERlo - ESR1 Low Expression - Estrogen Receptor Low Positive - Estrogen-Receptor-Low-Positive - Low ER Expression