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Ki-67 proliferation indices in EAC resection tissues with low (≤ 2) or high (> 2) FKBP5 expression. Tissue microarrays were immunostained and scored as the percentage of epithelial cells that expressed FKBP5 or Ki-67 as follows: 0, negative; 1, < 5% (rare); 2, < 25%; 3, > 25% < 75%; 4, > 75%. Data are the median score of cores from each case. p value by Mann–Whitney U test
