Tumors of the oropharynx may arise from any of its constituent tissues, but the vast majority of epithelial tumors are squamous cell carcinomas. As there is a higher concentration of lymphoid tissue in this region, the incidence of lymphomas is considerably higher compared to other sites in the upper aerodi-gestive tract. The minor salivary glands of the soft palate, uvula and base of tongue can be the site of salivary gland tumors. Other rarer entities include soft tissue sarcomas and metastases from distant sites.
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Complete Guide to Preventing Skin Cancer. We all know enough to fear the name, just as we do the words tumor and malignant. But apart from that, most of us know very little at all about cancer, especially skin cancer in itself. If I were to ask you to tell me about skin cancer right now, what would you say? Apart from the fact that its a cancer on the skin, that is.