<qa>  What is the biopsy findings of the cheek brushings?- Buccal cell biopsies on both sides of the mouth: For this procedure, a local anesthetic is given to numb the biopsy area. Then, a small piece of tissue from the inner lining of the mouth is removed with a small sharp cookie-cutter instrument. The biopsy findings will be compared with those of the cheek brushings to see if the information is similar. 