CAVALLINI JAMES / BSIP / SCIENCE PHOTO LIBRARY CAVALLINI JAMES / BSIP / SCIENCE PHOTO LIBRARY
Bone cancer. Coloured magnetic resonance imaging (MRI) scan of the femurs (thigh bones) of a patient with osteosarcoma (bone cancer, blue) in one leg. This highly malignant cancer, more common in young people, usually starts in a long bone and spreads rapidly. To prevent spread, removal of part of the affected bone or even amputation of the limb may be required.
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