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Lungs 1. 2. 3. 4. 5. 6. 7. LifeART Collection Images Copyright © 1989-2001 by Lippincott Williams & Wilkins, Baltimore, MD Trachea Upper lobe (right lung) Middle lobe (right lung) Lower lobe (right lung) Upper lobe (left lung) Lower lobe (left lung) Diaphragm