Head and neck cancer
<B>Head and neck cancer:</B> The common carcinomas of the oral cavity, pharynx, and larynx as well as other tumors that affect the head and neck.</P> 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 </LI></UL> There are also metastatic head and neck cancers in which the primary tumor where the cancer originated may or may not be known.