Welcome:
Biopsy, should have been the final step and conclusive. Maybe there is some miscommunication. Personally, I would not go through the ordeal of Pet scan if the area in question had been biopsied and no cancer cells were present. But not being a Doctor and everyone has an opinion.
Darrell


Stage 3, T3,N1,M0,SCC, Base of Tongue. No Surgery, Radiationx39, Chemo, Taxol & Carboplatin Weekly 8 Treatments 2004. Age 60. Recurrence 2/06, SCC, Chest & Neck (Sub clavean), Remission 8/06. Recurrence SCC 12/10/06 Chest.