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Immunostaining for p53 (A), cyclin D1 (B), and ki67 (C) in H. pylori-negative gastric mucosa sections.
Notes: Positively stained cells for each protein are brown. There is absence of p53 immunostaining (A), weak cyclin D1 immunoexpression in a small amount of epithelial cells (B), and ki67 immunostaining is limited to the regenerative part of the gastric pits (C).
