text: Carcinoembryonic antigen peptide-1 is a nine amino acid peptide fragment of carcinoembryonic antigen (CEA), a protein that is overexpressed in several cancer cell types, including gastrointestinal, breast, and non-small-cell lung.
  Synonyms:
  * CAP-1
  * Carcinoembryonic Antigen Peptide-1
  * Carcinoembryonic Peptide-1
  * CEA Peptide 1
  * CEA Peptide 9-mer