AUTHOR=Martinez-Outschoorn Ubaldo E. , Bartrons Mireia , Bartrons Ramon TITLE=Editorial: Cancer Ecosystems JOURNAL=Frontiers in Oncology VOLUME=9 YEAR=2019 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2019.00718 DOI=10.3389/fonc.2019.00718 ISSN=2234-943X