December 8, 2005

Understanding Cancer Metastasis

Scientists have learned the mechanics of how cancer cells spread from the primary site to secondary sites. This process, known as metastasis, is one reason many late-stage cancers are difficutl to treat. The new study provides insight into the metastatic process:

Instead of a cell just breaking off from a tumor and traveling through the bloodstream to another organ where it forms a secondary tumor, or metastasis, researchers in the United States have shown that the cancer sends out envoys to prepare the new site. (Reuters.com)


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