Lung cancer. Coloured 3-D computed tomography scan of a patient's chest showing a large malignant tumour (red) in the lung and spread of the cancer to a nearby lymph node (green). Bones are coloured yellow; the trachea and bronchi are blue. Lung cancer is one of the most common and dangerous forms of cancer - fewer than 10% of patients survive for more than five years after diagnosis. The main cause is cigarette smoking. Secondary lung cancer,resulting from spread of cancer cells from elsewhere in the body,is also a common cause. Treatment includes surgical removal of all or part of the lung,anti-cancer drugs and radiotherapy | |
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Crédit: | Science Photo Library / CNRI |
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