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  • Title: [Clinical and prognostic significance of determining the carcinoembryonic antigen in patients with gastrointestinal cancer].
    Author: Vlakhov N, Dimitrova S, Koev Ch, Vladimirov V, Bozhinov T.
    Journal: Vopr Onkol; 1986; 32(2):73-6. PubMed ID: 3962245.
    Abstract:
    The paper discusses the results of a radioimmunologic assay of carcinoembryonic antigen (CEA) levels in 100 cases of gastrointestinal cancer. CEA--PRIST kits (Phadebas, Sweden) and NGR-603 automatic gamma-unit (Tesla, Czechoslovakia) were employed. The test proved to be highly instrumental in the preoperative evaluation of prognosis and early detection of recurrence and metastasis. CEA concentrations within 30-50 ng/ml are highly suggestive of recurrence or metastases, whereas 50-100 ng/ml should serve an indicator of organ dissemination. The test is useful in assessing the effectiveness of treatment in the course of follow-up.
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