Few: Most cancers are squamous cancers from the lining of the head and neck organs. Other types include cancers of the saliva glands and other organs such as thyroid, parathyroid glands.
Answered 11/1/2012
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Many: The world health organization shows about 28 different types of salivary gland tumors, 35 thyroid gland tumors, 40 sinonasal tract tumors, about 18 larynx tumors, a dozen or more ear tumors. So -- while squamous cell carcinoma accounts for the majority of tumors, there are "hundreds" of tumor types in the head and neck.
Answered 9/19/2013
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