Colon cancer proteins show promise for blood test

Searching for less invasive screening tests for cancer, Johns Hopkinsscientists have discovered proteins present in blood that accuratelyidentify colon cancer and precancerous polyps.Initial studies of the proteins, CCSA-3 and CCSA-4, suggest they couldbe used to develop a blood test to identify at-risk individuals.

Article has been adapted from a news release issued by EurekAlert.