Routine tests for CEA.
D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D007158:Immunologic Techniques
D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen