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(A–D): 8-oxo-dG percentage positivity following normalization with Ki67. There were significantly increased levels of 8-oxo-dG in SIM (A) stroma cytoplasm, (B) stroma nuclei and (C) epithelial cytoplasm compared with EAC. (D) No differences were seen in epithelial nuclei (p = 0.465). *p < 0.05, ***p < 0.0005.
