The phrase "cancer blood" refers to when someone has cancerous cells in their blood. It means that the person has a type of cancer that can spread throughout their body.
A new cancer blood test worked better for some types than others, and caught only 43 % of stage 1 cancers. (sciencemag.org)
Interest on cancer blood tests remains on the rise, which investors pitching millions to create them. (techtimes.com)
This suggests that developing drugs to strike out FAK in cancer blood vessels may boost cancer treatments and prevent cancer from coming back. (sciencedaily.com)