the results of endoscopic diagnosis and case follow-up of 686 patients with precancerous gastric conditions usually identified as a risk group ( chronic gastritis , polyps , peptic ulcer , conditions following distal stomach resections ) have shown that in patients with symptoms of epithelial dysplasia of gastric mucosa indices of cancer detectability significantly exceeded those in similar pathological conditions without symptoms of epithelial dysplasia .
C0038351
gastric
C0267111
epithelial dysplasia