Single cancer cell could be detected in future using new test

[News]

Soon scientists will be able to detect a single cancer cell among the billions of cells that circulate in the human bloodstream. The method could detect whether the therapy has worked or even show which therapy would work best. The test depends on circulating tumor cells (CTCs) or cancer cells that have detached from the main tumor and are traveling to other parts of the body.

More... (http://www.news-medical.net/news/20110104/Single-cancer-cell-could-be-detected-in-future-using-new-test.aspx)