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• Fine needle aspiration. In needle biopsy the physician will first numb the skin over the lump with an anesthetic. Then, a needle with a syringe on the end is inserted into the breast lump. After placing the needle, the physician will draw back the syringe, which will – in some cases – fill with breast fluid
  
  
  
• Core Needle---Large needle collects small pieces of breast tissue
  
  
• Stereotactic core----X-ray or ultrasound is used to locate tumor that cannot be felt by touch but can be seen on mammogram. A fine or core needle traps and removes tissue or fluid for examination.