Collection Of Tissue, Blood, and Other Specimens From Patients With Head and Neck Tumors To Study the Causes, Diagnosis, Prevention and Treatment of Cancers

Inclusion Criteria: * Patients with head and neck diseases are eligible if they have had tissue, serum, urine, or other specimens removed or collected for diagnostic or therapeutic purposes. * Patients will be entered onto this protocol without preference for any racial or ethnic group. * Patients may have received prior chemotherapy, radiation, surgical therapy, immunotherapy, or differentiation therapy. * The specimen collected must be large enough to allow conventional testing necessary for patient care, with the portion of the specimen reserved for research laboratory analysis excised from residual tissue that would otherwise have been discarded. Exclusion Criteria: * Patients not giving informed consent will be excluded.