DR. E. WALKER / SCIENCE PHOTO LIBRARY DR. E. WALKER / SCIENCE PHOTO LIBRARY
Secondary adrenal cancer. Gross specimen of an adrenal gland that has been completely obliterated by a metastatic malignant (cancerous) carcinoma (invasive tumour, red). A metastatic tumour is a secondary cancer that has spread (metastasised) from the site of the original cancer. The adrenal glands are located above each kidney. They are part of the body's endocrine (hormone) system and secrete steroid hormones and adrenaline. Secondary adrenal tumours, although more common than primary tumours, are uncommon. Tumours can be removed surgically, however, once a cancer has spread the prognosis is poor.
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