Medical Data Collection of Patients With Head and Neck Cancer Treated With Proton Therapy

This trial collects medical information from patients with head and neck cancer that have received or are scheduled to receive proton therapy. Collecting and analyzing medical information from patients may provide information on the outcomes and treatment related side effects of proton therapy for head and neck cancer and help doctors improve therapy for future patients with head and neck cancer.

PRIMARY OBJECTIVE: I. To evaluate the outcomes in patients who have received treatment for their head and neck malignancy with proton radiation therapy. OUTLINE: Patients complete questionnaires over 30 minutes before treatment begins, at each visit during treatment, and again at all follow-up visits related to treatment. Patients also have their medical records reviewed.

Inclusion Criteria: * Patients documented to have head and neck cancer treated with proton therapy at MDACC from January 1, 2008 through April 30, 2012 and patients who receive treatment from May 1, 2012 through December 31, 2018