A new blood test has been found to detect colon cancer with more than 80% accuracy and rule it out for 90% of healthy people. This test could be a game-changer in improving colorectal cancer screening rates.
Key Points
The blood test has a sensitivity of 81.1% and a specificity of 90.4%
Colon cancer is the fourth most common cancer in the U.S. and the second-deadliest type
Blood tests are not a replacement for colonoscopies, which remain the gold standard for screening
Pros
High accuracy in detecting colon cancer
Potential to improve colorectal cancer screening rates
Convenient and easy to complete compared to colonoscopies
Cons
Blood tests cannot prevent cancer, only detect it
Positive test results require further evaluation with colonoscopy