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. 2016 Sep 22;12(5):3825–3835. doi: 10.3892/ol.2016.5169

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Copyright: © Liu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 4. — The association of PARP-1 expression with lymph node metastasis in patients with gastric cancer. (A) The number of metastasis-positive lymph nodes in cases of gastric cancer with high PARP-1 expression was increased significantly compared with those with low PARP-1 expression; (B) The IRS of cases of gastric cancer with positive lymph nodes was increased significantly compared with cases without positive lymph nodes. The red line denotes the median value. The P-values indicated in A and B were obtained using a Mann-Whitney U test. PARP-1, poly (adenosine diphosphate-ribose) polymerase 1; IRS, immunoreactivity score.