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![Nodal involvement and p16-staining in upper alveolar ridge and hard palate cancer](https://image.oaes.cc/3c79aafc-71c2-46c0-8e29-2451cef31ee4/2457.fig.1.png)
Figure 1. P16 by immunohistochemistry in upper maxilla. (A, B, C) Positive status of p16 staining indicated by brown staining of nuclear and cytoplasmic membrane in three cases; (D) negative status for p16 staining. (Magnification 40×)
Figure 1. P16 by immunohistochemistry in upper maxilla. (A, B, C) Positive status of p16 staining indicated by brown staining of nuclear and cytoplasmic membrane in three cases; (D) negative status for p16 staining. (Magnification 40×)
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