Patients may eat a regular meal prior to the procedure. Do not apply talcum powder, deodorant, lotion, or perfume in the area of the lump that is to be biopsied. Patients who take aspirin or ibuprofen (Motrin) should discontinue use 3 days prior to the procedure. Patients who take blood thinners should talk to their physician about whether they should discontinue using them prior to FNA.