AUTHOR=Ravegnini Gloria , Del Re Marzia , Grolla Ambra A. , van Schaik Ron H. N. , Angelini Sabrina TITLE=Editorial: Liquid Biopsy as a Tool for Precision Oncology: New Challenges to Assess Clinical Response JOURNAL=Frontiers in Pharmacology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2020.598261 DOI=10.3389/fphar.2020.598261 ISSN=1663-9812