NEO-201 Antigen Positive

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that expression of an antigen recognized by the humanized IgG1 monoclonal antibody NEO-201 was detected in a sample. This antigen is a tumor-associated truncated form of the Core-1 O-glycan T antigen found on threonine residues in CEACAM-5 and CEACAM-6.

**Synonyms:** - NEO 201 Antigen Positive - NEO-201 Reactivity Positive - NEO201 Antigen Positive