[Status of the esophagus, stomach and duodenum in workers in the oil-processing business]

The article is devoted to morphology of mucus of the upper gastrointestinal tract, which is a topical problem among the workers engaged into the oil processing in the region. The results of endoscopy screening in 718 workers of oil processing enterprise show the following changes: erosive lesions of gastroduodenal region, atrophy of gastric mucus in patients facing the chronic gastric and duodenal peptic ulcer, higher occurrence of gastric carcinoma.