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Bone Cancer : Complications

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Complications could include:
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.
Source:ADAM
Date:October 20, 2008
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. Metastasis can refer either to the spread of cancer cells to other parts of the body, or to the condition produced by this spread. The English word metastasis (plural, metastases) comes from a Greek word that means "a change." The tumors produced by metastasis are sometimes called secondary tumors. Metastasis is responsible for 90% of the deaths caused by cancer.
Source:Gale Encyclopedia of Cancer
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