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  • Title: [Clinical significance of the determination of serum carbohydrate antigen 19-9 in patients with carcinoma of the stomach and colorectum].
    Author: Hamazoe R, Yoshioka H, Furumoto T, Kanayama H, Shimizu N, Maeta M, Koga S.
    Journal: Gan No Rinsho; 1985 Aug; 31(10):1287-92. PubMed ID: 3863968.
    Abstract:
    Serum CA 19-9 levels were measured in 68 gastric cancer patients and 38 cases of colorectal cancer. In patients with stage I-III gastric cancer or Duckes A-C colorectal cancer, the CA 19-9 levels ranged from normal to 127 U/ml, whereas in more advanced cases it was very high. Classified by the mode of recurrence, the highest level of CA 19-9 was observed in liver metastasis. After removal of the main tumor, the CA 19-9 level declined rapidly, increasing with recurrence. Serum CA 19-9 determination in cases of gastric or colorectal cancer was useful to classify the stage of disease, developing a prognosis and identifying a recurrence.
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