title: CEA: still trying to find a niche.
mesh_terms: D002272:Carcinoembryonic Antigen / Q000032:analysis*; D004796:Clinical Enzyme Tests; D003226:Congresses as Topic; D003697:Delphi Technique; D005260:Female; D006801:Humans; D009316:National Institutes of Health (U.S.); D009369:Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D011379:Prognosis; D011446:Prospective Studies; D012008:Recurrence; D014481:United States
chemical_list: D002272:Carcinoembryonic Antigen