A needle biopsy of the lung or pleura is done to remove a sample of lung or pleural tissue, or fluid. Pleura is the lining of the lungs and chest wall. Once the tissue is removed, it will be examined in a lab.

Female Torso with Respiratory System and Ribcage (Anterior View)
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This procedure is used to diagnose abnormal tissue in or around the lung. Possible reasons for abnormal tissue are: