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. 2020 Jun 26;6:27. doi: 10.1038/s41523-020-0169-8

Fig. 5. Box and whisker plot of immunohistochemistry results.

Fig. 5

Percentage of tumor stromal cells staining positive for immunohistochemistry markers Ki-67 (a), p53 (b), and β-catenin (c) in fibroadenoma (FA), low-grade phyllodes tumor (LGP), and high-grade phyllodes tumor (HGP) is plotted. Center line represents median percentage of tumor stromal cells staining positive for each marker; the lower bound of box represents first quartile; the upper bound of box represents third quartile; and whiskers extends to the lowest and highest staining percentage of each marker. Note there is overlap in immunohistochemistry staining in the three entities. Wilcoxon-Mann–Whitney tests show statistically significant difference (p < 0.05) in Ki-67 and p53 staining from FA to LGP to HGP. There is no difference in β-catenin staining between FA and LGP, but there is statistically significant difference in nuclear staining for HGP compared with FA and LGP.