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. Author manuscript; available in PMC: 2015 Feb 5.
Published in final edited form as: Oral Oncol. 2014 Jun 2;50(9):771–779. doi: 10.1016/j.oraloncology.2014.05.004

Figure 4.

Figure 4

This HPV-related oropharyngeal carcinoma is strongly p16 positive by immunohistochemistry (A), and it demonstrates transcriptional activity as visualized by RNA in situ hybridization for HPV E6/E7 mRNA transcripts (B).