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. 2016 Jul 22;14:189. doi: 10.1186/s12957-016-0946-x

Fig. 1.

Fig. 1

p62 immunohistochemistry. Examples of p62 immunostaining in colorectal cancers. The upper row shows three tumours with strong cytoplasmic immunostaining and the lower row demonstrates three tumours with negative p62 staining (×400 magnification). Note the positively stained of stromal cells/macrophages, which can be used as internal controls