Researchers have identified four hallmarks of cancer metastasis — when cancer has spread to different parts of the body from where it started. Metastasis is believed to be the cause of up to 90 percent of cancer deaths.
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Researchers have identified four hallmarks of cancer metastasis — when cancer has spread to different parts of the body from where it started. Metastasis is believed to be the cause of up to 90 percent of cancer deaths.