Expert oncologists provide brief, distilled summaries of the most central issues in cancer management and emerging approaches for patients and caregivers. The Global Resource for Advancing Cancer Education (GRACE) is committed to providing the knowledge that will help enable the general public to be informed participants in their own care. Visit for more info.

Dr. Leora Horn of Vanderbilt University reviews the rapidly evolving issue and growing value of repeat biospies, including plasma sampling as a "liquid biopsy" option, in the setting of acquired resistance to a driver mutation in advanced NSCLC.