The purpose of this study is to gain initial experience imaging HNC patient using a new PET camera, a 1mm spacial resolution. The goal is to understand image quality of the system and to see how it works in a clinical environment.

PRIMARY OBJECTIVE(S): Gain initial experience imaging head/neck cancer patients using a novel PET camera comprising two opposing panels with 1 millimeter spatial resolution.

SECONDARY OBJECTIVE(S):

1. Determine the radioactive dose and scan time required for this novel 1 millimeter (mm) resolution clinical PET camera.
2. Images obtained with the 1 mm resolution PET camera will be compared to conventional PET imaging (which will serve as gold standard) for image quality and lesion/node visualization.

Inclusion Criteria:

1. Biopsy-confirmed diagnosis of HNC
2. Patient scheduled to undergo surgery for HNC
3. Scheduled to have a PET/CT study on a conventional PET/CT system
4. Age greater than or equal to 19 years of age.

Exclusion Criteria:

1. Additional condition, or extenuating circumstance that, in the opinion of the investigator, may interfere with study compliance.