A tumor marker refers to a substance that is found in the blood, urine, or body tissue. It refers to mutations, changes, or patterns in the tumor's DNA. These tumor markers are also referred to as biomarkers. Tumor marker tests are performed to check if the individual has cancer.
Tumor Marker Test - Role and Drawbacks
Tumor marker tests detect tumor markers in the blood, body tissues, and urine. Read this article to know more about the tumor marker test.