Lung cancer biomarkers - Where we are and what we need.

The article looks at developments in the study of lung cancer biomarkers. According to the authors, circulating biochemical markers are important and informative tools for managing lung cancer. Biomarkers are considered vital for follow-up investigations because biochemical changes in the blood manifest early the possibility of increasing tumor activity. Information on the release of biochemical markers by various benign and malignant diseases has been limited.