[Carcinoembryonic antigen (CEA) in the diagnosis of benign and malignant tumors of the large intestine].

Carcinoembryonic antigen was studied in 241 controls--patients with different diseases, 121 cases of intestinal polyp, 69 cases of large bowel carcinoma, 28 cases of stomach cancer and 65 patients with malignancies at other sites (total-524). Significantly high levels were found in large bowel and stomach cancer as well as cases of extensive tumor growth, relapse or metastases.