<unk>  is a nine amino acid<unk>  fragment of<unk>  antigen (CEA), a protein that is overexpressed in several cancer cell types, including gastrointestinal, breast, and non-small-cell lung. Synonyms: * CAP-1 *<unk>  *<unk><unk> -1 * CEA<unk>  1 * CEA<unk>  9-mer
Carcinoembryonic antigen peptide-1
Alpha-fetoprotein
Prostate-specific antigen
Mammaglobin
Tumor marker
CA 15-3
AFP-L3
CA19-9