Blood test could provide cheaper, better way for doctors to
The new findings strengthen the hope that evaluating the genetic profiles of tumor cells circulating in the bloodstream could transform cancer care: first, by indicating the next chemotherapy or targeted therapy to use when tumors evolve resistance to previous drugs; and, second, by providing a way to study how tumors change over time. The new blood test is safer, cheaper, faster and more effective than alternative diagnostic approaches, said the researchers....