Inclusion Criteria Patients must meet all of the following criteria to be eligible for study entry.  Ability to adhere to the study visit schedule and other protocol requirements. Men and women ≥18 years of age. Life expectancy ≥ 3 months. Planned surgery for head and neck cancer ablation requiring split-thickness skin grafting for reconstruction of free flap donor sites from the forearm and fibula.  Exclusion Criteria Patients who meet any of the following criteria will be excluded from study entry.  Pregnant or lactating women. History of prior radiation. Any significant medical condition which, in the opinion of the investigator, will not be appropriate for the study. Severe infection that in the opinion of the investigator would interfere with patient safety or compliance on trial within 4 weeks prior to enrollment.