MIRIAM MASLO / SCIENCE PHOTO LIBRARY MIRIAM MASLO / SCIENCE PHOTO LIBRARY
Lung cancer. Coloured axial (cross-sectional) computed tomography (CT) scan of a chest showing a large malignant (cancerous) tumour (yellow, far left) in the left lung (purple). The front of the body is at top. The heart (yellow, upper centre) and the spine (yellow, bottom) are also seen.
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