title: Carcinoembryonic antigen (CEA) plasma levels in untreated cancer patients and patients with metastatic disease.
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis*; D002272:Carcinoembryonic Antigen / Q000032:analysis; D005069:Evaluation Studies as Topic; D006801:Humans; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000175:diagnosis*; D011863:Radioimmunoassay
chemical_list: D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen