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Injury to the voice box or nerve and hoarseness after surgery; Low calcium levels from accidental removal of the parathyroid glands during surgery; Spread of the cancer to the lung or other parts of the body.
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Thyroid cancer is a disease in which the cells of the thyroid gland become abnormal, grow uncontrollably and form a mass of cells called a tumor.
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Metastasis is the movement or spreading of cancer cells from one organ or tissue to another. Cancer cells usually spread through the bloodstream or the lymph system.
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The ability to invade and metastasize are the defining characteristics of a cancer. Invasion refers to the ability of cancer cells to penetrate through the membranes that separate them from healthy tissues and blood vessels.
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