Prospective Trial of Serial CT Imaging for Evaluation of Dosimetric/Volumetric Changes During IMRT for Head/Neck Cancer

Patients will be enrolled in study through the duration of their radiation therapy, approximately 6-8 weeks. After which time no further evaluations will be made.

Treatment planning CT scans will be required to define tumor, clinical, and planning target volumes. This study requires CT scans prior to initiation of treatment then again on the third and sixth week of radiation treatment