Quality of Life and Development of Measures in Patients With Cancer of the Oral Cavity

Inclusion Criteria: PATIENT INCLUSION CRITERIA FOR THE LONDITUDINAL STUDY: * Carcinoma of the oral cavity including one or more of the following anatomic sub-sites: Anterior 2/3rds of the tongue, the floor of the mouth, the upper and lower gums, buccal mucosa, retromolar trigone, hard palate and minor salivary glands. * Surgically resectable disease in the oral cavity and the neck. * Patients with prior cancers other than Head and Neck cancers who are currently in remission, have no evidence of disease and are not undergoing any active chemotherapy or radiation therapy. Exclusion Criteria: EXCLUSION FOR THE LONDITUDINAL STUDY: * Primary tumor of the lips (these are skin cancers). * Surgical treatment excluding diagnostic biopsy of the primary site or biopsy of neck node/s prior to referral to MSKCC. * Surgically unresectable disease in the neck; including carotid encasement, massive dermal infiltration, and other clinical and radiographic findings which would preclude surgically resectable nodal disease in the neck, prior to initiation of treatment. * Evidence of distant metastases by clinical or radiographic examination. * Patients with more than one simultaneous primary tumor. * Patient unable to read or comprehend the content of the questionnaires due to language barriers or psychiatric disorders. PATIENT INCLUSION CRITERIA FOR THE CROSS-SECTIONAL STUDY: * Upper aerodigestive squamous cell carcinoma, including the oropharynx, hypopharynx and larynx - newly diagnosed or recurrent cancers. * Newly diagnosed and recurrent carcinoma of the oral cavity including one or more of the following anatomic sub-sites: Anterior 2/3rds of the tongue, the floor of the mouth, the upper and lower gums, buccal mucosa, retromolar trigone, hard palate and minor salivary glands. EXCLUSION CRITERIA FOR THE CROSS-SECTIONAL STUDY: * Primary tumor of the lips (these are skin cancers). * Patient unable to read or comprehend the content of the questionnaires due to language barriers or psychiatric disorders.