What are lung cancer biomarkers, and how do they impact treatment options? Dr. Isabel Preeshagul defines biomarkers and explains how different biomarkers may help determine treatment options and aid in predicting treatment response. Dr. Isabel Preeshagul is a thoracic medical oncologist at Memorial Sloan Kettering Cancer Center. Learn more about Dr. Preeshagul here: https://www.mskcc.org/cancer-care/doc....