CD57 Positive

**Semantic type:** Laboratory or Test Result

**Definition:** Indicates that expression of the tumor antigen CD57 has been detected in a sample.

**Synonyms:** - CD57 Antigen Positive - HNK-1 Positive - HNK1 Positive - Human Natural Killer-1 Antigen Positive - L2/HNK-1 Positive - Leu7 Positive