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NCI: Cancer that arises in the head or neck region (in the nasal cavity, sinuses, lip, mouth, salivary glands, throat, or larynx [voice box]).,MEDLINEPLUS: <p>Head and neck cancer includes cancers of the <a href='http://www.nlm.nih.gov/medlineplus/oralcancer.html'>mouth</a>, <a href='http://www.nlm.nih.gov/medlineplus/nasalcancer.html'>nose</a>, sinuses, <a href='http://www.nlm.nih.gov/medlineplus/salivaryglandcancer.html'>salivary glands</a>, <a href='http://www.nlm.nih.gov/medlineplus/throatcancer.html'>throat</a>, and lymph nodes in the neck. Most begin in the moist tissues that line the mouth, nose and throat. Symptoms include</p><ul><li> A lump or sore that does not heal</li><li> A sore throat that does not go away</li><li> Trouble swallowing</li><li> A change or hoarseness in the voice</li> </ul><p>Using tobacco or alcohol increases your risk. In fact, 85 percent of head and neck cancers are linked to tobacco use, including <a href='http://www.nlm.nih.gov/medlineplus/smoking.html'>smoking</a> and <a hre
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