AUTHOR=Gkretsi Vasiliki , Stylianopoulos Triantafyllos TITLE=Editorial: Metastasis: From Cell Adhesion and Beyond JOURNAL=Frontiers in Oncology VOLUME=9 YEAR=2019 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2019.00214 DOI=10.3389/fonc.2019.00214 ISSN=2234-943X