This means there is no microscopic signs of tumor cells in the tissue submitted for analysis. (lbah.com)
The study strongly suggests that copper is an essential factor for the growth of tumors in humans as well. (sciencedaily.com)
In many cases cancers can be diagnosed by withdrawing a sample of tumor cells with a small needle, while in other cases a surgical biopsy may be performed. (ivghospitals.com)