Can Cancer Blood Tests Live Up to Promise of Saving Lives?

Date Posted/Aired
Category Other DCP Video

Joyce Ares had just turned 74 and was feeling fine when she agreed to give a blood sample for research. So she was surprised when the screening test came back positive for signs of cancer. After a repeat blood test, a PET scan and a needle biopsy, she was diagnosed with Hodgkin lymphoma.

A new type of blood test that checks for cancer signals in healthy people is being marketed and sold. But it's still unclear whether these screening tests will make any difference in cancer death rates.

Source: AP News