DR. E. WALKER / SCIENCE PHOTO LIBRARY DR. E. WALKER / SCIENCE PHOTO LIBRARY
Secondary lung cancer. Gross specimen of a lung with metastatic malignant (cancerous) tumours (white and grey) on the pleural surface. A metastatic tumour is a secondary cancer that has spread (metastasised) from the site of the original cancer. Small single tumours can sometimes be removed surgically, however, once a cancer has spread the prognosis is poor. Radiotherapy and anti-cancer drugs can slow the cancer's progress and extend the patient's life.
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