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.
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.