A radioimmunological analysis of the changes in concentration of tumour markers CA 19-9, REA, beta 2-microglobulin, trypsin and C-peptide was carried out in 53 patients with pancreatic cancer and in 14 patients with cancer of the major duodenal papilla before and 7-10 days after the treatment. A control group was comprised of 116 volunteers. The levels of the tumour markers decreased after the combined use of remote radiotherapy and pancreaticoduodenal resection (PDR). After creation of cholecysto-enteroanastomosis and performance of radiotherapy they remained without changes. Exocrine pancreatic function after remote radiotherapy, especially in combination with PDR, was sharply suppressed.
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