STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Skin cancer cells. Coloured scanning electron micrograph (SEM) of skin cancer cells. Cancer cells divide rapidly in a chaotic, uncontrolled manner. They can clump to form tumours, invading and destroying surrounding tissues. Skin cancer is common and associated with the Sun's ultraviolet (UV) rays damaging the skin. Treatment can be by surgical excision, radiotherapy or chemotherapy. Magnification unknown.
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