Adaptive Radiotherapy for Head and Neck Cancer

Inclusion Criteria

• •Participants with pathologically confirmed cancers of paranasal sinuses, oropharynx, oral cavity, nasopharynx, larynx, hypopharynx, and unknown primary and will receive definitive radiation therapy with or without chemotherapy.
• •Karnofsky performance status \>= 70%
• •Women of childbearing potential need to have a negative serum pregnancy test at the time of therapy
• •Participants must have the ability to understand and the willingness to sign a written consent form