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![The role of human papillomavirus in oral squamous cell carcinoma](https://image.oaes.cc/4a71b841-7fa4-4841-ae51-0369ee330ccb/1381.fig.2.png)
Figure 2. Positron emission tomography-computed tomography shows a mass in the left region of the anterior mouth floor, with marked increase glucose metabolism, about 3 cm in diameter and high probability of malignancy. The other cervical structures have normal glucose metabolism, showing no other hypermetabolic neoplastic involvement