SIMON FRASER / FREEMAN HOSPITAL, NEWCASTLE / SCIENCE PHOTO LIBRARY SIMON FRASER / FREEMAN HOSPITAL, NEWCASTLE / SCIENCE PHOTO LIBRARY
Lung cancer. Coloured chest X-ray showing a narrowing (centre right) of the superior vena cava blood vessel (purple) by a lung tumour (green). The rapid growth of the tumour has compressed the vessel. Lung cancer is a primary malignant tumour linked to smoking. Symptoms include a cough, chest pain and coughing up blood. The cancer may spread to other parts of the body, usually the bones, liver or brain. Treatment includes removal of all or part of the lung, with radiotherapy and chemotherapy. The superior vena cava carries blood from the head and forelimbs to the heart. A contrast medium shows the position of the vessel.
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