CENTRE JEAN PERRIN, ISM / SCIENCE PHOTO LIBRARY CENTRE JEAN PERRIN, ISM / SCIENCE PHOTO LIBRARY
Lung cancer. Combined coloured computed tomography (CT) and positron emission tomography (PET) scan of an axial section through a patient's abdomen, showing a malignant (cancerous) adenocarcinoma (bright) in the left lung (right) with mediastinal lymphadenopathy (enlargement of the mediastinal lymph nodes).
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