Atocha Romero, PharmD, PhD, explains the value of liquid biopsy-based comprehensive genomic profiling. Dr. Romero provides an overview of the results of the NADIM II clinical trials and discusses ctDNA testing to monitor disease and guide treatment. Atocha Romero, PharmD, PhD, is the director of the Liquid Biopsy Laboratory of the Medical Oncology Department at the Hospital Universitario Puerta de Hierro in Madrid, Spain.