Tumor Antigen

**Semantic type:** Immunologic Factor

**Definition:** 1. antigens that may be frequently associated with tumors or may be specifically found on tumor cells of the same origin (tumor specific); 2. tumor antigens may also be associated with replication and transformation by certain DNA tumor viruses, including adenoviruses and papovaviruses. Neoantigens. Any immunologically detectable marker whose presence or amount indicates the presence of a tumor.

**Synonyms:** - TAA - Tumor-Associated Antigen - tumor-specific antigen