title: Usefulness of serial serum carcinoembryonic antigen (CEA) determinations during anticancer therapy or long-term follow-up of gastrointestinal carcinoma.
mesh_terms: D002272:Carcinoembryonic Antigen / Q000032:analysis; D003110:Colonic Neoplasms / Q000601:surgery; D005500:Follow-Up Studies; D005770:Gastrointestinal Neoplasms / Q000188:drug therapy / Q000276:immunology / Q000628:therapy*; D006801:Humans; D011863:Radioimmunoassay; D012004:Rectal Neoplasms / Q000601:surgery
chemical_list: D002272:Carcinoembryonic Antigen