Diagnostic markers are biological parameters that aid the diagnosis of diseases. Examples include the presence of particular genetic variants and the levels of particular proteins in body fluids.

Non-small cell cancer (NSCLC) tumor markers are signs of specific types of tumors. Doctors look for these markers to aid in the diagnosis and treatment of lung cancer. Doctors use several tests to ...

Biomarker testing looks for mutations, additions, deletions, or rearrangements in DNA. Biomarker testing can also help look for other key markers like levels of certain proteins or the amount of tumor ...