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The correlation between differentiation of tumor cells in different directions (toward the foveolate epithelium or glandular epithelium in stomach, or small and large intestine epithelium, or endocrine cells) and the state of gastric mucosa (differentiation of its cells in direction of foveolate epithelium or glandular epithelium (hypoplasia of corresponding epithelium), or appearance of focals of metaplasia in small or large intestines, or pronounced hyperplasia of endocrine cells) was revealed in most cases of gastric cancer. The other of the disease did not reveal such correlation.
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