ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Coloured bronchography (X-ray) of the chest of a patient, showing expansion of the bronchi (airways of the lungs) after pneumothorax therapy. Pneumothorax is a collapse of the lung when air (gas) collects in the pleural cavity outside the lungs, and one therapy is to drain the air away causing the lung to re-inflate.
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