Tumors of the nose sinuses and nasopharynx 1st edition pdf download free by w i wei valerie j lund david howard e books smtebooksus. The nasopharynx serves as a passageway for air from the nose to the throat and eventually to the lungs nasopharyngeal tumors several types of tumors can develop in the nasopharynx. Nasopharyngeal cancer is a disease in which malignant cancer cells form in the tissues of the nasopharynx the nasopharynx is the upper part of the pharynx throat behind the nose. Nasopharyngeal cancer is a rare type of head and neck cancerit starts in the upper part of your throat behind the nose this area is called the nasopharynx the nasopharynx is precariously placed at the base of your skull above the roof of your mouth
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