Definition:
The common carcinomas of the oral cavity, pharynx, and larynx as well as other tumors that affect the head and neck. These include: Paranasal sinus and nasal cavity cancer Lip and oral cavity cancer Nasopharyngeal cancer Oropharyngeal cancer Hypopharyngeal cancer Laryngeal cancer Salivary gland cancer Parathyroid cancer Thyroid cancer There are also metastatic head and neck cancers in which the primary tumor where the cancer originated may or may not be known.
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